Added note on wxPython if using Arch Linux.

README.rst

@@ -96,6 +96,8 @@ This will make sure conda is up-to-date, install Git, get the latest gprMax sour
 
 If you prefer to install Python and the required Python packages manually, i.e. without using Anaconda/Miniconda, look in the ``conda_env.yml`` file for a list of the requirements.
 
+If you are using Arch Linux (https://www.archlinux.org/) you may need to also install ``wxPython`` by adding it to the conda environment file (``conda_env.yml``).
+
 2. Install a C compiler which supports OpenMP
 ---------------------------------------------
 

setup.cfg

@@ -1,16 +0,0 @@
-[flake8]
-max-line-length = 120
-
-# E402, module level import not at top of file
-# E501, line too long
-# F401, module imported but unused
-ignore = F401
-
-# apply to the "setup.py bdist_wheel" command
-# the universal option with a value of 1 (that is, set it to true)
-
-#[bdist_wheel]
-#universal=1
-
-[aliases]
-test=pytest