Update app.py

app.py

@@ -472,31 +472,32 @@ class DataHandler:
 
     @staticmethod
     @handle_errors(default_return="")
-        def process_file(file) -> str:
-            """Process uploaded file"""
-            if not file:
-                return ""
-            
-            content = file.read().decode('utf-8')
-            
-            if file.name.endswith('.csv'):
-                import io
-                csv_file = io.StringIO(content)
-                reader = csv.reader(csv_file)
-                try:
-                    headers = next(reader)
-                    text_idx = next((i for i, h in enumerate(headers) if h.strip().lower() == 'text'), 0)
-                    texts = []
-                    for row in reader:
-                        if len(row) > text_idx and row[text_idx].strip():
-                            text = row[text_idx].strip().strip('"')
-                            texts.append(text)
-                    return '\n'.join(texts)
-                except Exception as e:
-                    lines = content.strip().split('\n')[1:] 
-                    return '\n'.join(line.strip().strip('"') for line in lines if line.strip())
-            
-            return content
+    def process_file(file) -> str:
+        """Process uploaded file"""
+        if not file:
+            return ""
+        
+        content = file.read().decode('utf-8')
+        
+        if file.name.endswith('.csv'):
+            import io
+            csv_file = io.StringIO(content)
+            reader = csv.reader(csv_file)
+            try:
+                headers = next(reader)
+                text_idx = next((i for i, h in enumerate(headers) if h.strip().lower() == 'text'), 0)
+                texts = []
+                for row in reader:
+                    if len(row) > text_idx and row[text_idx].strip():
+                        text = row[text_idx].strip().strip('"')
+                        texts.append(text)
+                return '\n'.join(texts)
+            except Exception as e:
+                lines = content.strip().split('\n')[1:] 
+                return '\n'.join(line.strip().strip('"') for line in lines if line.strip())
+        
+        return content
+
 
 # Main Application
 class SentimentApp: