changed all __main__ scripts to console_main() functions to be used as entry points

analysis/power_spectrum.py

@@ -263,7 +263,9 @@ def get_ylims_and_yticks(ylims):
     return ylims, yticks
 
 
-if __name__ == "__main__":
+
+
+def console_main():
     from argparse import ArgumentParser
     parser = ArgumentParser(description='Plot power spectra of fields')
 
@@ -403,5 +405,8 @@ if __name__ == "__main__":
         fig.savefig(args.output)
     else:
         fig.savefig(args.directory+'power_spectrum.png')
-    
 
+
+if __name__ == "__main__":
+    console_main()
+