Update app.py

app.py

@@ -28,8 +28,8 @@ user_prompt_template = (
 )
 
 # === Encode uploaded file ===
-def encode_image_to_base64(file):
-    return base64.b64encode(file.read()).decode("utf-8")
+def encode_image_to_base64(file_bytes):
+    return base64.b64encode(file_bytes()).decode("utf-8")
 
 # === Transcription logic ===
 def transcribe_image(file):