Update app.py

app.py

@@ -61,7 +61,16 @@ def analyze_json_file(file_obj):
         # Assuming it's a file-like object, read the content as a string
         file_str = file_obj.read().decode("utf-8")
     
-    json_data = json.loads(file_str)
+    # Check if the file content is empty
+    if not file_str.strip():
+        raise ValueError("Uploaded file is empty or not in JSON format.")
+    
+    try:
+        # Attempt to parse JSON
+        json_data = json.loads(file_str)
+    except json.JSONDecodeError as e:
+        raise ValueError(f"Error decoding JSON: {str(e)}")
+    
     audit_data = json.dumps(json_data, indent=2)  # Convert JSON to a formatted string
     return audit_data