don't run main() at import time

ThomasWaldmann · ThomasWaldmann · commit 052e6382b8bd · 2018-03-31T18:54:55.000+02:00
diff --git a/esp32_ulp/__main__.py b/esp32_ulp/__main__.py
@@ -27,5 +27,6 @@ def main(fn):
         f.write(binary)
 
 
-main(sys.argv[1])
+if __name__ == '__main__':
+    main(sys.argv[1])
 
