Update app.py

Added a way to prevent crash incase of API error

app.py

@@ -24,7 +24,7 @@ def get_completion(inputs, parameters=None,ENDPOINT_URL=sum_endpoint):
     """
     This function sends a POST request to a Hugging Face Inference API endpoint and returns the model's output.
 
-    Args:
+    Args: 
         inputs (str): The input text to be processed by the model (e.g., for summarization, translation, etc.)
         
         parameters (dict, optional): Additional generation parameters for the model, such as: ### Although it was not used in this program ###
@@ -103,10 +103,20 @@ def summarize_ner(text): # I implemented the validation step here because the mo
     else:
         summarized = get_completion(text)
         # remember I don't have to define a summarization function because the default mode is summarization
-        summarized = summarized[0]['summary_text']
+
+        if isinstance(summarized, list) and 'summary_text' in summarized[0]:
+            summarized = summarized[0]['summary_text']
+        else:
+            return {
+                "text": "⚠️ Unexpected response from summarize.",
+                "entities": []
+            }
+
+        
         # let's perform ner on the summarized text
         output = ner(summarized)
         return output
+