fix: don't setup log if not using the CLI

Author: davidt99

src/rtfparse/__init__.py

@@ -3,7 +3,7 @@
 
 # Towncrier needs version
 from rtfparse.__about__ import __version__
-from rtfparse.cli import main
 
 if __name__ == "__main__":
+    from rtfparse.cli import main
     main()