following python3 recommendations

installation/symlink_Processing.py

@@ -1,8 +1,9 @@
 #!/usr/bin/env python3
-# -*- coding: UTF-8 no BOM -*-
 
-# Makes postprocessing routines acessible from everywhere.
-import os,sys
+# Makes postprocessing routines accessible from everywhere.
+import os
+import sys
+
 import damask
 
 damaskEnv = damask.Environment()

python/damask/solver/__init__.py

@@ -1,4 +1,4 @@
-"""Tools to control the various BVP solvers"""
+"""Tools to control the various solvers."""
 
 from .solver   import Solver     # noqa
 from .marc     import Marc       # noqa