Update app.py

app.py

@@ -5,6 +5,7 @@ from dotenv import load_dotenv
 import nltk
 from nltk.tokenize import sent_tokenize
 import pandas as pd
+import json
 
 # Initialize NLTK
 nltk.download('punkt', quiet=True)
@@ -32,7 +33,7 @@ class CodeCopilot:
             response = requests.post(
                 "https://developer.blackbox.ai/api/v1/chat/completions",
                 headers=headers,
-                body={
+                json={
                     "messages": [{"role": "user", "content": prompt}],
                     "max_tokens": max_tokens,
                     "temperature": temperature,