Update app.py

app.py

@@ -95,7 +95,7 @@ if uploaded_file:
                     "Hemoglobin": hemoglobin,
                     "Other Notes": other_notes,
                 }
-                df = df.append(new_entry, ignore_index=True)
+                df = pd.concat([df, pd.DataFrame([new_entry])], ignore_index=True)
                 df.to_csv(uploaded_file, index=False)
                 st.success("New visit entry added successfully!")
 
@@ -130,6 +130,6 @@ if uploaded_file:
                     "Hemoglobin": None,
                     "Other Notes": None,
                 }
-                df = df.append(new_patient, ignore_index=True)
+                df = pd.concat([df, pd.DataFrame([new_patient])], ignore_index=True)
                 df.to_csv(uploaded_file, index=False)
                 st.success("New patient account created successfully!")