UPdate app.py

app.py

@@ -6,7 +6,7 @@ model_name = "google/flan-t5-base"  # Choose your desired model
 generator = pipeline("text2text-generation", model=model_name)
 
 # Function to generate test cases
-def generate_test_cases(method, url, headers, payload):
+def generate_test_cases(method, url, headers, payload = ""):
     prompt = f"""
     Generate comprehensive API test cases:
     Method: {method}