Update setup files

Author: lcnittl

setup.cfg

@@ -41,8 +41,6 @@ include_package_data = True
 package_dir =
     = src
 platforms = any
-setup_requires =
-    setuptools-scm>=4.1
 zip_safe = False
 
 [options.packages.find]

setup.py

@@ -1,3 +1,7 @@
-from setuptools import setup
+import setuptools
 
-setup(use_scm_version=True)
+if __name__ == "__main__":
+    setuptools.setup(
+        use_scm_version=True,
+        setup_requires="setuptools-scm>=4.1",
+    )