diff --git a/play.py b/play.py
index eaa9fab..1d34fd8 100644
--- a/play.py
+++ b/play.py
@@ -1,8 +1,11 @@
+from dataclasses import fields
 from scgenerator import Parameters
 from scgenerator.physics.simulate import RK4IP
 import os
 import matplotlib.pyplot as plt
 
+from pprint import pprint
+
 
 def main():
     cwd = os.getcwd()
@@ -10,12 +13,11 @@ def main():
         os.chdir("/Users/benoitsierro/Nextcloud/PhD/Supercontinuum/PCF Simulations")
 
         pa = Parameters.load(
-            "/Users/benoitsierro/Nextcloud/PhD/Supercontinuum/PCF Simulations/PM1550+PM2000D/PM1550_RIN.toml"
+            "/Users/benoitsierro/Nextcloud/PhD/Supercontinuum/PCF Simulations/PM1550+PM2000D/PM2000D.toml"
         )
-
-        plt.plot(pa.t, pa.field_0.imag)
-        plt.plot(pa.t, pa.field_0.real)
-        plt.show()
+        x = 1, 2
+        print(pa.input_transmission)
+        print(x)
     finally:
         os.chdir(cwd)
 
diff --git a/src/scgenerator/__init__.py b/src/scgenerator/__init__.py
index e1edf24..d3ac870 100644
--- a/src/scgenerator/__init__.py
+++ b/src/scgenerator/__init__.py
@@ -12,4 +12,4 @@ from .physics.simulate import RK4IP, new_simulation, resume_simulations
 from .plotting import mean_values_plot, plot_spectrogram, propagation_plot, single_position_plot
 from .spectra import Pulse, Spectrum
 from .utils import Paths, load_toml
-from .utils.parameter import BareConfig, Parameters, PlotRange
+from .utils.parameter import Config, Parameters, PlotRange
diff --git a/src/scgenerator/initialize.py b/src/scgenerator/initialize.py
index 0b10325..d51579a 100644
--- a/src/scgenerator/initialize.py
+++ b/src/scgenerator/initialize.py
@@ -11,183 +11,16 @@ from . import utils
 from .errors import *
 from .logger import get_logger
 from .utils.parameter import (
-    BareConfig,
+    Config,
     Parameters,
-    hc_model_specific_parameters,
     override_config,
     required_simulations,
 )
 from scgenerator.utils import parameter
 
 
-@dataclass
-class Config(BareConfig):
-    @classmethod
-    def from_bare(cls, bare: BareConfig):
-        return cls(**asdict(bare))
-
-    def __post_init__(self):
-        for p_name, value in self.__dict__.items():
-            if value is not None and p_name in self.variable:
-                raise DuplicateParameterError(f"got multiple values for parameter {p_name!r}")
-        self.setdefault("name", "no name")
-        self.fiber_consistency()
-        if self.model in hc_model_specific_parameters:
-            self.gas_consistency()
-        self.pulse_consistency()
-        self.simulation_consistency()
-
-    def fiber_consistency(self):
-
-        if self.contains("dispersion_file") or self.contains("beta2_coefficients"):
-            if not (
-                self.contains("A_eff")
-                or self.contains("A_eff_file")
-                or self.contains("effective_mode_diameter")
-            ):
-                self.get("gamma", specified_parameters=["custom fiber model"])
-                self.get("n2", specified_parameters=["custom fiber model"])
-            self.setdefault("model", "custom")
-
-        else:
-            self.get("model")
-
-            if self.model == "pcf":
-                self.get_fiber("pitch")
-                self.get_fiber("pitch_ratio")
-
-            elif self.model == "hasan":
-                self.get_multiple(
-                    ["capillary_spacing", "capillary_outer_d"], 1, fiber_model="hasan"
-                )
-                for param in [
-                    "core_radius",
-                    "capillary_num",
-                    "capillary_thickness",
-                    "capillary_resonance_strengths",
-                    "capillary_nested",
-                ]:
-                    self.get_fiber(param)
-            else:
-                for param in hc_model_specific_parameters[self.model]:
-                    self.get_fiber(param)
-        if self.contains("loss"):
-            if self.loss == "capillary":
-                for param in ["core_radius", "he_mode"]:
-                    self.get_fiber(param)
-        for param in ["length", "input_transmission"]:
-            self.get(param)
-
-    def gas_consistency(self):
-        for param in ["gas_name", "temperature", "pressure", "plasma_density"]:
-            self.get(param, specified_params=["gas"])
-
-    def pulse_consistency(self):
-        for param in ["wavelength", "quantum_noise", "intensity_noise"]:
-            self.get(param)
-
-        if not self.contains("field_file"):
-            self.get("shape")
-
-            if self.contains("soliton_num"):
-                self.get_multiple(
-                    ["peak_power", "mean_power", "energy", "width", "t0"],
-                    1,
-                    specified_parameters=["soliton_num"],
-                )
-
-            else:
-                self.get_multiple(["t0", "width"], 1)
-                self.get_multiple(["peak_power", "energy", "mean_power"], 1)
-        if self.contains("mean_power"):
-            self.get("repetition_rate", specified_parameters=["mean_power"])
-
-    def simulation_consistency(self):
-        self.get_multiple(["dt", "t_num", "time_window"], 2)
-
-        for param in [
-            "behaviors",
-            "z_num",
-            "tolerated_error",
-            "parallel",
-            "repeat",
-            "interpolation_range",
-            "interpolation_degree",
-            "ideal_gas",
-            "recovery_last_stored",
-        ]:
-            self.get(param)
-
-        if (
-            any(["raman" in l for l in self.variable.get("behaviors", [])])
-            or "raman" in self.behaviors
-        ):
-            self.get("raman_type", specified_parameters=["raman"])
-
-    def contains(self, key):
-        return self.variable.get(key) is not None or getattr(self, key) is not None
-
-    def get(self, param, **kwargs) -> Any:
-        """checks if param is in the parameter section dict and attempts to fill in a default value
-
-        Parameters
-        ----------
-        param : str
-            the name of the parameter (dict key)
-        kwargs : any
-            key word arguments passed to the MissingParameterError constructor
-
-        Raises
-        ------
-        MissingFiberParameterError
-            raised when a parameter is missing and no default exists
-        """
-
-        # whether the parameter is in the right place and valid is checked elsewhere,
-        # here, we just make sure it is present.
-        if not self.contains(param):
-            try:
-                setattr(self, param, default_parameters[param])
-            except KeyError:
-                raise MissingParameterError(param, **kwargs)
-
-    def get_fiber(self, param, **kwargs):
-        """wrapper for fiber parameters that depend on fiber model"""
-        self.get(param, fiber_model=self.model, **kwargs)
-
-    def get_multiple(self, params, num, **kwargs):
-        """similar to the get method but works with several parameters
-
-        Parameters
-        ----------
-        params : list of str
-            names of the required parameters
-        num : int
-            how many of the parameters in params are required
-
-        Raises
-        ------
-        MissingParameterError
-            raised when not enough parameters are provided and no defaults exist
-        """
-        gotten = 0
-        for param in params:
-            try:
-                self.get(param, **kwargs)
-                gotten += 1
-            except MissingParameterError:
-                pass
-            if gotten >= num:
-                return
-        raise MissingParameterError(params, num_required=num, **kwargs)
-
-    def setdefault(self, param, value):
-        if getattr(self, param) is None:
-            setattr(self, param, value)
-
-
 class ParamSequence:
-    def __init__(self, config_dict: Union[dict[str, Any], os.PathLike, BareConfig]):
+    def __init__(self, config_dict: Union[dict[str, Any], os.PathLike, Config]):
         """creates a param sequence from a base config
 
         Parameters
@@ -197,7 +30,7 @@ class ParamSequence:
         """
         if isinstance(config_dict, Config):
             self.config = config_dict
-        elif isinstance(config_dict, BareConfig):
+        elif isinstance(config_dict, Config):
             self.config = Config.from_bare(config_dict)
         else:
             if not isinstance(config_dict, Mapping):
@@ -231,7 +64,7 @@ class ParamSequence:
 
 
 class ContinuationParamSequence(ParamSequence):
-    def __init__(self, prev_sim_dir: os.PathLike, new_config: BareConfig):
+    def __init__(self, prev_sim_dir: os.PathLike, new_config: Config):
         """Parameter sequence that builds on a previous simulation but with a new configuration
         It is recommended that only the fiber and the number of points stored may be changed and
         changing other parameters could results in unexpected behaviors. The new config doesn't have to
@@ -245,9 +78,9 @@ class ContinuationParamSequence(ParamSequence):
             new config
         """
         self.prev_sim_dir = Path(prev_sim_dir)
-        self.bare_configs = BareConfig.load_sequence(new_config.previous_config_file)
+        self.bare_configs = Config.load_sequence(new_config.previous_config_file)
         self.bare_configs.append(new_config)
-        self.bare_configs[0] = Config.from_bare(self.bare_configs[0])
+        self.bare_configs[0].check_validity()
         final_config = parameter.final_config_from_sequence(*self.bare_configs)
         super().__init__(final_config)
 
@@ -293,7 +126,7 @@ class ContinuationParamSequence(ParamSequence):
         return count_variations(*self.bare_configs)
 
 
-def count_variations(*bare_configs: BareConfig) -> int:
+def count_variations(*bare_configs: Config) -> int:
     sim_num = 1
     for conf in bare_configs:
         for l in conf.variable.values():
@@ -310,7 +143,7 @@ class RecoveryParamSequence(ParamSequence):
         self.prev_sim_dir = None
         if self.config.prev_sim_dir is not None:
             self.prev_sim_dir = Path(self.config.prev_sim_dir)
-            init_config = BareConfig.load(self.prev_sim_dir / "initial_config.toml")
+            init_config = Config.load(self.prev_sim_dir / "initial_config.toml")
             self.prev_variable_lists = [
                 (
                     set(variable_list[1:]),
@@ -403,7 +236,7 @@ def validate_config_sequence(*configs: os.PathLike) -> tuple[str, int]:
     """
 
     previous = None
-    configs = BareConfig.load_sequence(*configs)
+    configs = Config.load_sequence(*configs)
     for config in configs:
         # if (p := Path(config)).is_dir():
         #     config = p / "initial_config.toml"
diff --git a/src/scgenerator/physics/pulse.py b/src/scgenerator/physics/pulse.py
index f61447e..07cc1bb 100644
--- a/src/scgenerator/physics/pulse.py
+++ b/src/scgenerator/physics/pulse.py
@@ -326,7 +326,12 @@ def load_and_adjust_field_file(
     field_0 = load_field_file(field_file, t)
     if energy is not None:
         curr_energy = np.trapz(abs2(field_0), t)
-        field_0 *= 
+        field_0 = field_0 * np.sqrt(energy / curr_energy)
+    elif peak_power is not None:
+        ratio = np.sqrt(peak_power / abs2(field_0).max())
+        field_0 = field_0 * ratio
+    else:
+        raise ValueError(f"Not enough parameters specified to load {field_file} correctly")
 
     field_0 = field_0 * modify_field_ratio(
         t, field_0, peak_power, energy, intensity_noise, noise_correlation
@@ -1056,10 +1061,6 @@ def measure_field(t: np.ndarray, field: np.ndarray) -> Tuple[float, float, float
     return fwhm, peak_power, energy
 
 
-def measure_custom_field(field_file: str, t: np.ndarray) -> float:
-    return measure_field(t, load_field_file(field_file, t))[0]
-
-
 def remove_2nd_order_dispersion(
     spectrum: T, w_c: np.ndarray, beta2: float, max_z: float = -100.0
 ) -> tuple[T, OptimizeResult]:
diff --git a/src/scgenerator/physics/simulate.py b/src/scgenerator/physics/simulate.py
index 08f90d6..49ce7b4 100644
--- a/src/scgenerator/physics/simulate.py
+++ b/src/scgenerator/physics/simulate.py
@@ -8,7 +8,7 @@ from typing import Type
 import numpy as np
 
 from .. import env, initialize, utils
-from ..utils.parameter import Parameters, BareConfig
+from ..utils.parameter import Parameters, Config, format_variable_list
 from ..const import PARAM_SEPARATOR
 from ..errors import IncompleteDataFolderError
 from ..logger import get_logger
@@ -471,7 +471,7 @@ class Simulations:
 
     def _run_available(self):
         for variable, params in self.param_seq:
-            v_list_str = utils.format_variable_list(variable)
+            v_list_str = format_variable_list(variable)
             utils.save_parameters(params.prepare_for_dump(), self.sim_dir / v_list_str)
 
             self.new_sim(v_list_str, params)
@@ -690,7 +690,7 @@ def run_simulation_sequence(
     method=None,
     prev_sim_dir: os.PathLike = None,
 ):
-    configs = BareConfig.load_sequence(*config_files)
+    configs = Config.load_sequence(*config_files)
 
     prev = prev_sim_dir
     for config in configs:
@@ -707,7 +707,7 @@ def run_simulation_sequence(
 
 
 def new_simulation(
-    config: BareConfig,
+    config: Config,
     prev_sim_dir=None,
     method: Type[Simulations] = None,
 ) -> Simulations:
diff --git a/src/scgenerator/scripts/slurm_submit.py b/src/scgenerator/scripts/slurm_submit.py
index 63fae35..453332a 100644
--- a/src/scgenerator/scripts/slurm_submit.py
+++ b/src/scgenerator/scripts/slurm_submit.py
@@ -11,7 +11,7 @@ import numpy as np
 
 from ..initialize import validate_config_sequence
 from ..utils import Paths
-from ..utils.parameter import BareConfig
+from ..utils.parameter import Config
 
 
 def primes(n):
@@ -128,7 +128,7 @@ def main():
         )
 
     if args.command == "merge":
-        final_name = BareConfig.load(Path(args.configs[0]) / "initial_config.toml").name
+        final_name = Config.load(Path(args.configs[0]) / "initial_config.toml").name
         sim_num = "many"
         args.nodes = 1
         args.cpus_per_node = 1
diff --git a/src/scgenerator/spectra.py b/src/scgenerator/spectra.py
index 718154b..b041f30 100644
--- a/src/scgenerator/spectra.py
+++ b/src/scgenerator/spectra.py
@@ -146,8 +146,6 @@ class Pulse(Sequence):
 
         self.params = Parameters.load(self.path / "params.toml")
 
-        initialize.build_sim_grid_in_place(self.params)
-
         try:
             self.z = np.load(os.path.join(path, "z.npy"))
         except FileNotFoundError:
@@ -161,7 +159,7 @@ class Pulse(Sequence):
             raise FileNotFoundError(f"No appropriate file in specified folder {self.path}")
 
         self.t = self.params.t
-        w = initialize.wspace(self.t) + units.m(self.params.wavelength)
+        w = math.wspace(self.t) + units.m(self.params.wavelength)
         self.w_order = np.argsort(w)
         self.w = w
         self.wl = units.m.inv(self.w)
diff --git a/src/scgenerator/utils/__init__.py b/src/scgenerator/utils/__init__.py
index 2334274..ee2d89f 100644
--- a/src/scgenerator/utils/__init__.py
+++ b/src/scgenerator/utils/__init__.py
@@ -84,6 +84,7 @@ class Paths:
 
 
 def load_previous_spectrum(prev_data_dir: str) -> np.ndarray:
+    prev_data_dir = Path(prev_data_dir)
     num = find_last_spectrum_num(prev_data_dir)
     return np.load(prev_data_dir / SPEC1_FN.format(num))
 
diff --git a/src/scgenerator/utils/parameter.py b/src/scgenerator/utils/parameter.py
index 0d59e9a..3ef8266 100644
--- a/src/scgenerator/utils/parameter.py
+++ b/src/scgenerator/utils/parameter.py
@@ -336,21 +336,6 @@ valid_variable = {
     "ideal_gas",
 }
 
-hc_model_specific_parameters = dict(
-    marcatili=["core_radius", "he_mode"],
-    marcatili_adjusted=["core_radius", "he_mode", "fit_parameters"],
-    hasan=[
-        "core_radius",
-        "capillary_num",
-        "capillary_thickness",
-        "capillary_resonance_strengths",
-        "capillary_nested",
-        "capillary_spacing",
-        "capillary_outer_d",
-    ],
-)
-"""dependecy map only includes actual fiber parameters and exclude gas parameters"""
-
 mandatory_parameters = [
     "name",
     "w_c",
@@ -360,6 +345,7 @@ mandatory_parameters = [
     "alpha",
     "spec_0",
     "field_0",
+    "input_transmission",
     "z_targets",
     "length",
     "beta2_coefficients",
@@ -451,7 +437,7 @@ class Parameters:
     time_window: float = Parameter(positive(float, int))
     dt: float = Parameter(in_range_excl(0, 5e-15))
     tolerated_error: float = Parameter(in_range_excl(1e-15, 1e-3), default=1e-11)
-    step_size: float = Parameter(positive(float, int), default=0)
+    step_size: float = Parameter(non_negative(float, int), default=0)
     interpolation_range: tuple[float, float] = Parameter(float_pair)
     interpolation_degree: int = Parameter(positive(int), default=8)
     prev_sim_dir: str = Parameter(string)
@@ -463,7 +449,7 @@ class Parameters:
     spec_0: np.ndarray = Parameter(type_checker(np.ndarray))
     beta2: float = Parameter(type_checker(int, float))
     alpha_arr: np.ndarray = Parameter(type_checker(np.ndarray))
-    alpha: float = Parameter(positive(float, int), default=0)
+    alpha: float = Parameter(non_negative(float, int), default=0)
     gamma_arr: np.ndarray = Parameter(type_checker(np.ndarray))
     A_eff_arr: np.ndarray = Parameter(type_checker(np.ndarray))
     w: np.ndarray = Parameter(type_checker(np.ndarray))
@@ -588,6 +574,7 @@ class Rule:
         kwarg_names: list[str],
         n_var: int,
         args_const: list[str] = None,
+        priorities: Union[int, list[int]] = None,
     ) -> list["Rule"]:
         """given a function that doesn't need all its keyword arguemtn specified, will
         return a list of Rule obj, one for each combination of n_var specified kwargs
@@ -625,7 +612,7 @@ class Rule:
 
             new_func = func_rewrite(func, list(var_possibility), args_const)
 
-            rules.append(cls(target, new_func))
+            rules.append(cls(target, new_func, priorities=priorities))
         return rules
 
 
@@ -732,8 +719,7 @@ class Evaluator:
                                 prefix
                                 + f"computed {param_name}={returned_value} using {rule.func.__name__} from {rule.func.__module__}"
                             )
-                            self.params[param_name] = returned_value
-                            self.eval_stats[param_name].priority = param_priority
+                            self.set_value(param_name, returned_value, param_priority)
                         if param_name == target:
                             value = returned_value
                     break
@@ -749,6 +735,7 @@ class Evaluator:
                     error = NoDefaultError(prefix + f"No default provided for {target}")
                 else:
                     value = default
+                    self.set_value(target, value, 0)
 
             if value is None and error is not None:
                 raise error
@@ -756,6 +743,13 @@ class Evaluator:
             self.__curent_lookup.remove(target)
         return value
 
+    def __getitem__(self, key: str) -> Any:
+        return self.params[key]
+
+    def set_value(self, key: str, value: Any, priority: int):
+        self.params[key] = value
+        self.eval_stats[key].priority = priority
+
     def validate_condition(self, rule: Rule) -> bool:
         return all(self.compute(k) == v for k, v in rule.conditions.items())
 
@@ -779,18 +773,25 @@ class Evaluator:
 
 
 @dataclass
-class BareConfig(Parameters):
+class Config(Parameters):
     variable: dict = VariableParameter(Parameters)
 
     def __post_init__(self):
         pass
 
+    def check_validity(self):
+        conf_dict = asdict(self)
+        variable = conf_dict.pop("variable", {})
+        for k, v in variable.items():
+            conf_dict[k] = v[0]
+        Parameters(**conf_dict)
+
     @classmethod
-    def load(cls, path: os.PathLike) -> "BareConfig":
+    def load(cls, path: os.PathLike) -> "Config":
         return cls(**utils.load_toml(path))
 
     @classmethod
-    def load_sequence(cls, *config_paths: os.PathLike) -> list["BareConfig"]:
+    def load_sequence(cls, *config_paths: os.PathLike) -> list["Config"]:
         """Loads a sequence of
 
         Parameters
@@ -830,8 +831,13 @@ class PlotRange:
     def __str__(self):
         return f"{self.left:.1f}-{self.right:.1f} {self.unit.__name__}"
 
+    def sort_axis(self, axis: np.ndarray) -> tuple[np.ndarray, np.ndarray, tuple[float, float]]:
+        return sort_axis(axis, self)
 
-def sort_axis(axis, plt_range: PlotRange) -> tuple[np.ndarray, np.ndarray, tuple[float, float]]:
+
+def sort_axis(
+    axis: np.ndarray, plt_range: PlotRange
+) -> tuple[np.ndarray, np.ndarray, tuple[float, float]]:
     """
     given an axis, returns this axis cropped according to the given range, converted and sorted
 
@@ -893,7 +899,7 @@ def validate_arg_names(names: list[str]):
             raise ValueError(f"{n} is an invalid parameter name")
 
 
-def func_rewrite(func: Callable, kwarg_names: list[str], arg_names: list[str] = None):
+def func_rewrite(func: Callable, kwarg_names: list[str], arg_names: list[str] = None) -> Callable:
     if arg_names is None:
         arg_names = get_arg_names(func)
     else:
@@ -972,7 +978,7 @@ def pretty_format_from_sim_name(name: str) -> str:
     return PARAM_SEPARATOR.join(out)
 
 
-def variable_iterator(config: BareConfig) -> Iterator[tuple[list[tuple[str, Any]], dict[str, Any]]]:
+def variable_iterator(config: Config) -> Iterator[tuple[list[tuple[str, Any]], dict[str, Any]]]:
     """given a config with "variable" parameters, iterates through every possible combination,
     yielding a a list of (parameter_name, value) tuples and a full config dictionary.
 
@@ -1011,7 +1017,7 @@ def variable_iterator(config: BareConfig) -> Iterator[tuple[list[tuple[str, Any]
 
 
 def required_simulations(
-    *configs: BareConfig,
+    *configs: Config,
 ) -> Iterator[tuple[list[tuple[str, Any]], Parameters]]:
     """takes the output of `scgenerator.utils.variable_iterator` which is a new dict per different
     parameter set and iterates through every single necessary simulation
@@ -1045,11 +1051,11 @@ def reduce_all_variable(all_variable: list[list[tuple[str, Any]]]) -> list[tuple
     return out
 
 
-def override_config(new: BareConfig, old: BareConfig = None) -> BareConfig:
+def override_config(new: Config, old: Config = None) -> Config:
     """makes sure all the parameters set in new are there, leaves untouched parameters in old"""
     new_dict = asdict(new)
     if old is None:
-        return BareConfig(**new_dict)
+        return Config(**new_dict)
     variable = deepcopy(old.variable)
     new_dict = {k: v for k, v in new_dict.items() if v is not None}
 
@@ -1060,7 +1066,7 @@ def override_config(new: BareConfig, old: BareConfig = None) -> BareConfig:
     return replace(old, variable=variable, **new_dict)
 
 
-def final_config_from_sequence(*configs: BareConfig) -> BareConfig:
+def final_config_from_sequence(*configs: Config) -> Config:
     if len(configs) == 0:
         raise ValueError("Must provide at least one config")
     if len(configs) == 1:
@@ -1085,10 +1091,11 @@ default_rules: list[Rule] = [
     Rule("spec_0", np.fft.fft, ["field_0"]),
     Rule("field_0", np.fft.ifft, ["spec_0"]),
     Rule("spec_0", utils.load_previous_spectrum, priorities=3),
-    Rule(
+    *Rule.deduce(
         ["pre_field_0", "peak_power", "energy", "width"],
         pulse.load_and_adjust_field_file,
-        ["field_file", "t", "peak_power", "energy", "intensity_noise", "noise_correlation"],
+        ["energy", "peak_power"],
+        1,
         priorities=[2, 1, 1, 1],
     ),
     Rule("pre_field_0", pulse.initial_field, priorities=1),
@@ -1099,7 +1106,6 @@ default_rules: list[Rule] = [
     ),
     Rule("peak_power", pulse.E0_to_P0, ["energy", "t0", "shape"]),
     Rule("peak_power", pulse.soliton_num_to_peak_power),
-    Rule(["width", "peak_power", "energy"], pulse.measure_custom_field),
     Rule("energy", pulse.P0_to_E0, ["peak_power", "t0", "shape"]),
     Rule("energy", pulse.mean_power_to_energy),
     Rule("t0", pulse.width_to_t0),
diff --git a/testing/test_initialize.py b/testing/test_initialize.py
index d406453..5e109e1 100644
--- a/testing/test_initialize.py
+++ b/testing/test_initialize.py
@@ -7,7 +7,7 @@ import toml
 from scgenerator import defaults, utils, math
 from scgenerator.errors import *
 from scgenerator.physics import pulse, units
-from scgenerator.utils.parameter import BareConfig, Parameters
+from scgenerator.utils.parameter import Config, Parameters
 
 
 def load_conf(name):
diff --git a/testing/test_utils.py b/testing/test_utils.py
index 3edd114..6b9c590 100644
--- a/testing/test_utils.py
+++ b/testing/test_utils.py
@@ -16,7 +16,7 @@ def conf_maker(folder, val=True):
         if val:
             return initialize.Config(**load_conf(folder + "/" + name))
         else:
-            return initialize.BareConfig(**load_conf(folder + "/" + name))
+            return initialize.Config(**load_conf(folder + "/" + name))
 
     return conf