Try fixing error

app.py

@@ -64,7 +64,7 @@ if st.button("Generate"):
             st.error(f"Authentication failed. Please check your API key: {e}")
         except openai.error.RateLimitError as e:
             st.error(f"Rate limit exceeded. Please try again later: {e}")
-        except openai.error.OpenAIError as e:
-            st.error(f"An OpenAI API error occurred: {e}")
+        except openai.OpenAIError as e:  # This is the correct way for general OpenAI errors
+            st.error(f"OpenAI API error: {e}")
         except Exception as e:
             st.error(f"An unexpected error occurred: {e}")