Update app/sentiment.py

app/sentiment.py

@@ -8,7 +8,13 @@ an asynchronous application like FastAPI.
 import asyncio
 import logging
 import os
-from typing import TypedDict
+# ====================================================================
+#                       FIX APPLIED HERE (1 of 2)
+# ====================================================================
+# Import Union for Python 3.9 compatibility
+from typing import TypedDict, Union
+# ====================================================================
+
 
 import httpx
 
@@ -21,7 +27,12 @@ logger = logging.getLogger(__name__)
 class SentimentResult(TypedDict):
     id: int
     text: str
-    result: dict[str, str | float]
+    # ====================================================================
+    #                       FIX APPLIED HERE (2 of 2)
+    # ====================================================================
+    # Changed `str | float` to `Union[str, float]`
+    result: dict[str, Union[str, float]]
+    # ====================================================================
 
 
 # --- Main Class: SentimentAnalyzer ---
@@ -64,7 +75,7 @@ class SentimentAnalyzer:
             text: The input text to analyze.
             request_id: A unique identifier for this request.
         """
-        analysis_result = {"label": "ERROR", "score": 0.0, "error": "Unknown failure"}
+        analysis_result: dict[str, Union[str, float]] = {"label": "ERROR", "score": 0.0, "error": "Unknown failure"}
         try:
             response = await self.client.post(
                 self.HF_API_URL,