LiverPDO Experiments Failing in build process

[jjacobson95]

Integer casting led to an issue, fixing on build branch
Error received:

File "/app/04-experiments-liverpdo.py", line 174, in <module>
    experiments_df = merge_improve_samples_drugs(experiment_data = parsed_experiments_data, samples_data_path = args.Samples, improve_drugs_path = args.Drugs, drugs_info_path="/tmp/4_Drug_information.xlsx")
  File "/app/04-experiments-liverpdo.py", line 131, in merge_improve_samples_drugs
    all_merged = all_merged.astype({'improve_sample_id':'int'})
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 6639, in astype
    res_col = col.astype(dtype=cdt, copy=copy, errors=errors)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/generic.py", line 6662, in astype
    new_data = self._mgr.astype(dtype=dtype, copy=copy, errors=errors)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/internals/managers.py", line 430, in astype
    return self.apply(
  File "/usr/local/lib/python3.10/site-packages/pandas/core/internals/managers.py", line 363, in apply
    applied = getattr(b, f)(**kwargs)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/internals/blocks.py", line 784, in astype
    new_values = astype_array_safe(values, dtype, copy=copy, errors=errors)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/dtypes/astype.py", line 237, in astype_array_safe
    new_values = astype_array(values, dtype, copy=copy)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/dtypes/astype.py", line 182, in astype_array
    values = _astype_nansafe(values, dtype, copy=copy)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/dtypes/astype.py", line 101, in _astype_nansafe
    return _astype_float_to_int_nansafe(arr, dtype, copy)
  File "/usr/local/lib/python3.10/site-packages/pandas/core/dtypes/astype.py", line 145, in _astype_float_to_int_nansafe
    raise IntCastingNaNError(
pandas.errors.IntCastingNaNError: Cannot convert non-finite values (NA or inf) to integer: Error while type casting for column 'improve_sample_id'

[sgosline]

fixed iwth casting