fix flake8 checks

Author: renefritze

.gitignore

@@ -1,3 +1,4 @@
 /lib/CMakeLists.txt.user
 build
 CMakeLists.txt.user
+.idea

lib/test_bindings.py

@@ -2,7 +2,6 @@
 # Copyright 2013-2018 pyMOR developers and contributors. All rights reserved.
 # License: BSD 2-Clause License (http://opensource.org/licenses/BSD-2-Clause)
 
-import pytest
 import numpy as np
 import pydealii_bindings as dealii
 

setup.py

@@ -1,17 +1,17 @@
-# setup.py with cmake extension following https://stackoverflow.com/questions/42585210/extending-setuptools-extension-to-use-cmake-in-setup-py
+# setup.py with cmake extension following
+# https://stackoverflow.com/questions/42585210/
 
 import os
 import pathlib
 import sys
+from setuptools import setup, Extension
+from setuptools import find_packages
+from setuptools.command.build_ext import build_ext as build_ext_orig
 
 # versioneer (+dependencies) does not work in a pep518/7 context w/o modification here
 sys.path.append(os.path.dirname(__file__))
 import versioneer  # noqa
 
-from setuptools import setup, Extension
-from setuptools import find_packages
-from setuptools.command.build_ext import build_ext as build_ext_orig
-
 
 class CMakeExtension(Extension):
     def __init__(self, name):

src/pymor_dealii/pymor/demo.py

@@ -4,16 +4,12 @@
 
 from pymor.basic import *
 
-# instantiate deal.II model
-from dealii_elasticity import ElasticityExample
-
-cpp_disc = ElasticityExample(refine_steps=7)
-
-
-# wrap as pyMOR discretization
 from pymor_dealii.pymor.operator import DealIIMatrixOperator
 from pymor_dealii.pymor.vectorarray import DealIIVectorSpace
 from pymor_dealii.pymor.gui import DealIIVisualizer
+from dealii_elasticity import ElasticityExample
+
+cpp_disc = ElasticityExample(refine_steps=7)
 
 
 def run(plot_error=True):

src/test/demo.py

@@ -1,5 +1,3 @@
-import pytest
-import pathlib
 import pickle
 from pathlib import Path
 import numpy as np