DataFrame.show(): 'Column' object is not callable

File "/Users/s.singh/personal/spark-oss/python/pyspark/sql/connect/functions.py", line 855, in pyspark.sql.connect.functions.first
Failed example:
    df.groupby("name").agg(first("age", ignorenulls=True)).orderBy("name").show()
Exception raised:
    Traceback (most recent call last):
      File "/usr/local/Cellar/python@3.10/3.10.8/Frameworks/Python.framework/Versions/3.10/lib/python3.10/doctest.py", line 1350, in __run
        exec(compile(example.source, filename, "single",
      File "<doctest pyspark.sql.connect.functions.first[3]>", line 1, in <module>
        df.groupby("name").agg(first("age", ignorenulls=True)).orderBy("name").show()
    TypeError: 'Column' object is not callable