diff --git a/src/scgenerator/__init__.py b/src/scgenerator/__init__.py
index 667f0ed..827cad8 100644
--- a/src/scgenerator/__init__.py
+++ b/src/scgenerator/__init__.py
@@ -4,5 +4,3 @@ from .math import abs2, argclosest, span
 from .physics import fiber, materials, pulse, simulate, units
 from .physics.simulate import RK4IP, new_simulation, resume_simulations
 from .plotting import plot_avg, plot_results_1D, plot_results_2D, plot_spectrogram
-
-__version__ = "0.1.0"
\ No newline at end of file
diff --git a/src/scgenerator/const.py b/src/scgenerator/const.py
index 226dfff..0770e66 100644
--- a/src/scgenerator/const.py
+++ b/src/scgenerator/const.py
@@ -1,5 +1,7 @@
 import numpy as np
-from numpy.lib.arraysetops import isin
+
+
+__version__ = "0.1.0"
 
 
 def pbar_format(worker_id: int):
diff --git a/src/scgenerator/io.py b/src/scgenerator/io.py
index b9f7dee..43e1b66 100644
--- a/src/scgenerator/io.py
+++ b/src/scgenerator/io.py
@@ -9,8 +9,9 @@ import numpy as np
 import pkg_resources as pkg
 import toml
 
-from . import __version__, env, utils
+from . import env, utils
 from .const import (
+    __version__,
     ENVIRON_KEY_BASE,
     PARAM_FN,
     PARAM_SEPARATOR,