Fix typo, remove redundent code and replace __import__ (#90)

micro_manager/micro_manager.py

@@ -19,6 +19,7 @@
 import numpy as np
 import logging
 import time
+import importlib
 from copy import deepcopy
 from typing import Dict
 from warnings import warn
@@ -71,8 +72,6 @@ def __init__(self, config_file: str) -> None:
             self._rank,
             self._size)
 
-        micro_file_name = self._config.get_micro_file_name()
-
         self._macro_mesh_name = self._config.get_macro_mesh_name()
 
         # Data names of data written to preCICE
@@ -309,9 +308,9 @@ def _initialize(self) -> None:
         self._micro_sims = [None] * self._local_number_of_sims  # DECLARATION
 
         micro_problem = getattr(
-            __import__(
+            importlib.import_module(
                 self._config.get_micro_file_name(),
-                fromlist=["MicroSimulation"]),
+                "MicroSimulation"),
             "MicroSimulation")
 
         # Create micro simulation objects

tests/unit/test_micro_manager.py

@@ -75,7 +75,7 @@ def test_read_write_data_from_precice(self):
             self.assertListEqual(data["macro-vector-data"].tolist(),
                                  fake_data["macro-vector-data"].tolist())
 
-    def test_solve_mico_sims(self):
+    def test_solve_micro_sims(self):
         """
         Test if the internal function _solve_micro_simulations works as expected.
         """