Update app.py

app.py

@@ -9,8 +9,8 @@ import io
 def load_data(file):
     file.seek(0)  # Move to the start of the file
     df = pd.read_csv(file)
-    df['Date of Birth'] = pd.to_datetime(df['Date of Birth'], format='%Y-%m-%d')
-    df['Visit Date'] = pd.to_datetime(df['Visit Date'], format='%Y-%m-%d')
+    df['Date of Birth'] = pd.to_datetime(df['Date of Birth'], format='%Y-%m-%d', errors='coerce')
+    df['Visit Date'] = pd.to_datetime(df['Visit Date'], format='%Y-%m-%d', errors='coerce')
     df['Age'] = df['Date of Birth'].apply(lambda dob: (dt.datetime.now() - dob).days // 365)
     return df