Pep8 fixes

Author: JuliaSprenger

neo/test/iotest/common_io_test.py

@@ -457,7 +457,8 @@ def test_readed_with_lazy_is_compliant(self):
 
     def test__handle_pathlib_filename(self):
         if self.files_to_test:
-            filename = get_test_file_full_path(self.ioclass, filename=self.files_to_test[0],directory=self.local_test_dir)
+            filename = get_test_file_full_path(self.ioclass, filename=self.files_to_test[0],
+                                               directory=self.local_test_dir)
             pathlib_filename = pathlib.Path(filename)
 
             if self.ioclass.mode == 'file':

neo/test/iotest/tools.py

@@ -45,8 +45,7 @@ def cleanup_test_file(mode, path, directory=None):
             shutil.rmtree(path)
 
 
-def get_test_file_full_path(ioclass, filename=None,
-                            directory=None, clean=False):
+def get_test_file_full_path(ioclass, filename=None, directory=None, clean=False):
     """
     Get the full path for a file of the given filename.