Update app.py

app.py

@@ -14,7 +14,7 @@ client = InferenceClient("mistralai/Mixtral-8x7B-Instruct-v0.1")
 
 def extract_sentences_from_excel(file):
     df = pd.read_excel(file)
-    text = ' '.join(df['Unnamed: 1'].astype(str))
+    text = ' '.join(df['metn'].astype(str))
     sentences = text.split('.')
     sentences = [s.strip() for s in sentences if s.strip() and s.strip() != 'nan']
     return sentences