code: def _generate_scitype_mtype_combinations():
      """Return scitype/mtype tuples for pytest_generate_tests.
  
      Fixtures parameterized
      ----------------------
      scitype : str - scitype of fixture
      mtype : str - mtype of fixture
      """
      # collect fixture tuples here
  
      sci_mtype_tuples = []
  
      for scitype in SCITYPES:
          mtypes = scitype_to_mtype(scitype)
  
          for mtype in mtypes:
              sci_mtype_tuples += [(scitype, mtype)]
  
      return sci_mtype_tuples
  
file_path: sktime/sktime/datatypes/tests/test_check.py
imports: import numpy
  from sktime.datatypes._check import AMBIGUOUS_MTYPES, check_dict, check_is_mtype, check_is_scitype
  from sktime.datatypes._check import mtype
  from sktime.datatypes._check import scitype
  from sktime.datatypes._examples import get_examples
  from sktime.datatypes._registry import SCITYPE_LIST, scitype_to_mtype
label_desc: Use image node_id 1 for calling a global function with example usage: _generate_scitype_mtype_combinations() and returns: sci_mtype_tuples