Update app.py

app.py

@@ -18,7 +18,10 @@ file_urls = [
 def load_data():
     try:
         # Load data parts from URLs
-        data_parts = [pd.read_csv(url) for url in file_urls]
+        data_parts = []
+        for url in file_urls:
+            st.write(f"Loading data from: {url}")  # Debug message to show which URL is being loaded
+            data_parts.append(pd.read_csv(url))
 
         # Concatenate the datasets
         df_combined = pd.concat(data_parts, ignore_index=True)
@@ -30,6 +33,15 @@ def load_data():
 
         return df_combined
 
+    except pd.errors.EmptyDataError as e:
+        st.error(f"Empty data encountered: {e}")
+        return None
+    except pd.errors.ParserError as e:
+        st.error(f"Parsing error while reading CSV: {e}")
+        return None
+    except FileNotFoundError as e:
+        st.error(f"File not found: {e}")
+        return None
     except Exception as e:
         st.error(f"An error occurred: {e}")
         return None