code: def asarray_or_pandas(a, copy=False, dtype=None, subok=False):
      if have_pandas:
          if isinstance(a, (pandas.Series, pandas.DataFrame)):
              # The .name attribute on Series is discarded when passing through
              # the constructor:
              #   https://github.com/pydata/pandas/issues/1578
              extra_args = {}
              if hasattr(a, "name"):
                  extra_args["name"] = a.name
              return a.__class__(
                  a, copy=copy, dtype=dtype, **extra_args
              )
      return np.array(a, copy=copy, dtype=dtype, subok=subok)
  
imports: import sys
  import numpy
  import six
  from six.moves import cStringIO
  from .compat import optional_dep_ok
label_desc: Use image node_id 1 for calling a global function with example usage: asarray_or_pandas(a, copy, dtype, subok) and returns: np, a