Fix cast errors for python 3.8 (#42)

* Fix cast errors for python 3.8

Author: kjelljorner

CHANGELOG.md

@@ -6,6 +6,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.7.1] - 2022-06-27
+
+### Fixed
+- Fixed type errors related to ConformerEnsemble and Python 3.8 
+
 ## [0.7.0] - 2022-06-22
 
 ### Added

morfeus/conformer.py

@@ -338,7 +338,7 @@ def add_inverted(self) -> ConformerEnsemble:
         if not all([isinstance(energy, float) for energy in energies]):
             self._add_conformers(conformer_coordinates)
         else:
-            energies_ = cast(list[float], energies)
+            energies_ = cast("list[float]", energies)
             self.add_conformers(conformer_coordinates, energies_)
 
         return self
@@ -1140,7 +1140,7 @@ def sort(self) -> ConformerEnsemble:
         energies = [conformer.energy for conformer in self.conformers]
         if not all([isinstance(energy, float) for energy in energies]):
             raise ValueError("Not all conformers have energies.")
-        energies = cast(list[float], energies)
+        energies = cast("list[float]", energies)
         indices = np.argsort(energies)
         self.conformers = [self.conformers[i] for i in indices]
 

setup.py

@@ -8,7 +8,7 @@
 
 setuptools.setup(
     name="morfeus-ml",
-    version="0.7.0",
+    version="0.7.1",
     author="Kjell Jorner",
     author_email="kjell.jorner@gmail.com",
     description=DESCRIPTION,