Merge branch 'Python_Code_Style' into 'master'

.flake8

apps/benchmarks/FieldCommunication/config.py

apps/benchmarks/GranularGas/ConfigGenerator.py

apps/benchmarks/GranularGas/GenerateModule.py

apps/benchmarks/GranularGas/generateConfig.py

apps/benchmarks/GranularGas/mesa_pd_upload.py

apps/benchmarks/GranularGas/pe_upload.py

apps/benchmarks/PhaseFieldAllenCahn/multiphase_codegen.py

apps/benchmarks/PhaseFieldAllenCahn/profiling.py

apps/benchmarks/UniformGrid/ecmModel.py

apps/benchmarks/UniformGrid/mergeSqliteFiles.py

apps/benchmarks/UniformGrid/plot.py

apps/benchmarks/UniformGridGPU/UniformGridGPU.py

apps/benchmarks/UniformGridGPU/UniformGridGPU_AA.py

...arks/UniformGridGPU/simulation_setup/benchmark_configs.py

apps/benchmarks/UniformGridGenerated/UniformGridGenerated.py

apps/benchmarks/UniformGridGenerated/params.py

apps/pythonmodule/setup.py

apps/pythonmodule/stage.py

apps/showcases/PhaseFieldAllenCahn/CPU/multiphase_RTI_3D.py