code: def test_pandas_freq(from_pandas, n, freq):
      pd_freq = to_offset(f"{n} {freq}")
      assert to_offset(str(from_pandas(pd_freq))) == pd_freq
  
imports: import pytest
  import numpy
  import pandas
  from pandas.tseries.frequencies import to_offset
  import gluonts.zebras
label_desc: Use image node_id 1 for calling a global function with example usage: test_pandas_freq(from_pandas, n, freq) without return types