Update app.py

app.py

@@ -11,15 +11,22 @@ import warnings
 
 warnings.filterwarnings("ignore")
 
-# Function to read and process uploaded file
 def read_file(file):
-    if file.name.endswith(".csv"):
-        df = pd.read_csv(file)
-    elif file.name.endswith(".xlsx"):
-        df = pd.read_excel(file)
-    else:
-        raise ValueError("Unsupported file format. Please upload a CSV or Excel file.")
-    return df
+    try:
+        if file.name.endswith(".csv"):
+            df = pd.read_csv(file)
+        elif file.name.endswith(".xlsx"):
+            df = pd.read_excel(file)
+        else:
+            raise ValueError("Unsupported file format. Please upload a CSV or Excel file.")
+
+        # Ensure the file has columns
+        if df.empty or df.columns.size == 0:
+            raise ValueError("The file has no data or valid columns to parse.")
+
+        return df
+    except Exception as e:
+        raise ValueError(f"Error reading file: {str(e)}")
 
 # Clean the data
 def clean_data(df):
@@ -168,6 +175,5 @@ def gradio_interface():
 
     return interface
 
-# Launch the Gradio interface
 interface = gradio_interface()
-        interface.launch(debug=True)
+interface.launch(debug=True)