Traceback (most recent call last):


 "/Users/paul/Desktop/Github_repos/qiskit-terra/test/python/circuit/test_extensions_standard.py", line 98, in test_ch

self.assertEqual(op.name, 'ch')
AssertionError: 'u3' != 'ch'

Traceback (most recent call last):


 "/tmp/mwe8.py", line 12, in <module>

print(ncfh.file_content)


 "netCDF4/_netCDF4.pyx", line 3901, in netCDF4._netCDF4.Variable.__repr__


 "netCDF4/_netCDF4.pyx", line 3910, in netCDF4._netCDF4.Variable.__unicode__


 "netCDF4/_netCDF4.pyx", line 4037, in netCDF4._netCDF4.Variable.dimensions.__get__


 "netCDF4/_netCDF4.pyx", line 3969, in netCDF4._netCDF4.Variable._getdims


 "netCDF4/_netCDF4.pyx", line 1857, in netCDF4._netCDF4._ensure_nc_success
RuntimeError: NetCDF: Not a valid ID
