Better PEP8 conformance

Author: StuntsPT

structure_threader/wrappers/maverick_wrapper.py

@@ -31,6 +31,7 @@
     import structure_threader.colorer.colorer as colorer
     from structure_threader.plotter.structplot import plot_normalization
 
+
 def mav_cli_generator(arg, k_val, mav_params):
     """
     Generates and returns the command line to run MavericK.