Update src/streamlit_app.py

src/streamlit_app.py

@@ -41,15 +41,20 @@ def read_file(uploaded_file):
     name = uploaded_file.name.lower()
     try:
         if name.endswith(('.csv', '.txt')):
-            return pd.read_csv(uploaded_file, encoding="utf-8", errors="replace")
+            # ✅ FIX: Remove 'errors' argument
+            return pd.read_csv(uploaded_file, encoding="utf-8")
         elif name.endswith(('.xls', '.xlsx')):
             return pd.read_excel(uploaded_file)
         else:
             raise ValueError("Unsupported file type. Please upload CSV or Excel.")
+    except UnicodeDecodeError:
+        # fallback encoding if utf-8 fails
+        return pd.read_csv(uploaded_file, encoding="latin1")
     except Exception as e:
         st.error(f"❌ File reading failed: {e}")
         raise
 
+
 def clean_column_name(col: str) -> str:
     col = str(col).strip().lower().replace("\n", " ").replace("\t", " ")
     col = "_".join(col.split())