Apply isort to the project

setup.cfg

@@ -0,0 +1,10 @@
+[flake8]
+max-line-length = 88
+
+[isort]
+multi_line_output = 3
+include_trailing_comma = True
+force_grid_wrap = 0
+use_parentheses = True
+ensure_newline_before_comments = True
+line_length = 88