Update app.py

app.py

@@ -4,4 +4,7 @@ def main():
     st.title("Bill Extractor")
 
     files=st.file_uploader("Upload the files here..",type=["pdf"],accept_multiple_files=True)
-    submit=st.button("Extract")
+    submit=st.button("Extract")
+
+if __name__="__main__":
+main()