Static code analysis and corrections

backend/venv/bin/f2py

@@ -0,0 +1,10 @@
+#!/root/projekti/TeraHz/backend/venv/bin/python3
+# -*- coding: utf-8 -*-
+import re
+import sys
+
+from numpy.f2py.f2py2e import main
+
+if __name__ == '__main__':
+    sys.argv[0] = re.sub(r'(-script\.pyw?|\.exe)?$', '', sys.argv[0])
+    sys.exit(main())