Update src/streamlit_app.py

src/streamlit_app.py

@@ -518,4 +518,4 @@ if __name__ == "__main__":
         logger.info("Launching Streamlit app...")
         main()
     except Exception as e:
-	logger.exception("Unhandled error during app launch.")
+    	logger.exception("Unhandled error during app launch.")