Update app.py

app.py

@@ -1,11 +1,11 @@
 curl https://api.deepseek.com/chat/completions \
   -H "Content-Type: application/json" \
   -H "Authorization: Bearer <sk-cb27c81768e443868a194fad0bb91abc>" \
-  -d '{
-        "model": "deepseek-chat",
-        "messages": [
-          {"role": "system", "content": "You are a helpful assistant."},
-          {"role": "user", "content": "Hello!"}
+  -d "{
+        \"model\": \"deepseek-chat\",
+        \"messages\": [
+          {\"role\": \"system\", \"content\": \"You are a helpful assistant.\"},
+          {\"role\": \"user\", \"content\": \"Hello!\"}
         ],
-        "stream": false
-      }'
+        \"stream\": false
+      }"