Update app.py

app.py

@@ -9,22 +9,22 @@ def chat_with_pdf(content):
         return "API key (CHATPDFKEY) not set in environment variables."
     
     headers = {
-        "x-api-key": api_key,
+        'x-api-key': api_key,
         "Content-Type": "application/json",
     }
 
     data = {
-        "stream": True,
-        "sourceId": "src_opPediV0GhSqCEGkOph7S",  # Replace with your source ID
-        "messages": [
+        'stream': True,
+        'sourceId': 'src_opPediV0GhSqCEGkOph7S',  # Replace with your source ID
+        'messages'': [
             {
-                "role": "user",
-                "content": content,
+                'role': "user",
+                'content': content,
             },
         ],
     }
 
-    url = "https://api.chatpdf.com/v1/chats/message"
+    url = 'https://api.chatpdf.com/v1/chats/message'
 
     try:
         response = requests.post(url, json=data, headers=headers, stream=True)