code: def _aslinearoperator_with_dtype(m):
      m = aslinearoperator(m)
      if not hasattr(m, "dtype"):
          x = np.zeros(m.shape[1])
          m.dtype = (m * x).dtype
      return m
  
imports: from scipy.sparse.linalg.eigen.arpack import _arpack
  import numpy
  from scipy.sparse.linalg.interface import aslinearoperator, LinearOperator
  from scipy.sparse import identity, isspmatrix, isspmatrix_csr
  from scipy.linalg import lu_factor, lu_solve
  from scipy.sparse.sputils import isdense
  from scipy.sparse.linalg import gmres, splu
  import scipy
  import functools
  import operator
  from distutils.version import LooseVersion
label_desc: Use image node_id 2 for calling a global function with example usage: _aslinearoperator_with_dtype(m) and returns: m