Update app.py

app.py

@@ -15,7 +15,7 @@ def index():
 
 @app.get("/paraphrase")
 def paraphrase(text: str, model: str, operation_id="get_paraphrase", description="Paraphrase text"):
-    resultValue: str, exception: str = Paraphrase.paraphraseParaphraseMethod(text, model)
+    resultValue, exception = Paraphrase.paraphraseParaphraseMethod(text, model)
     return {"input": text, "translation": resultValue, "exception": exception}
 
 @app.get("/translate")