Use of lambert conformal projection leads to axes limit error

[sadielbartholomew]

Recently when attempting a contour plot using the lambert conformal 'lcc' map projection, I see a ValueError: Axis limits cannot be NaN or Inf error, though previously we have not seen this sort of issue. I've tried upgrading cartopy and matplotlib but the error still emerges, so needs investigating in case it is a cf-plot issue.

MRE with environment

>>> import cfplot as cfp
>>> import cf
>>> 
>> cf.environment(paths=False)
Platform: Linux-6.5.13-7-MANJARO-x86_64-with-glibc2.40
HDF5 library: 1.14.2
netcdf library: 4.9.2
udunits2 library: /home/slb93/miniconda3/envs/cf-env-312/lib/libudunits2.so.0
esmpy/ESMF: 8.4.2
Python: 3.12.0
dask: 2024.7.1
netCDF4: 1.6.5
psutil: 5.9.5
packaging: 23.2
numpy: 1.26.4
scipy: 1.14.0
matplotlib: 3.9.2
cftime: 1.6.2
cfunits: 3.3.7
cfplot: 3.3.0
cfdm: 1.11.1.0
cf: 3.16.2
>>>
>>> PATH = "~/git-repos/cf-plot/cfplot/test/cfplot_data"
>>> f = cf.read(f"{PATH}/ggap.nc")[0]
>>> cfp.mapset(proj="lcc")
>>> cfp.con(f.subspace(pressure=850))
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/slb93/git-repos/cf-plot/cfplot/cfplot.py", line 3665, in con
    _set_map()
  File "/home/slb93/git-repos/cf-plot/cfplot/cfplot.py", line 2377, in _set_map
    mymap.set_extent(
  File "/home/slb93/miniconda3/envs/cf-env-312/lib/python3.12/site-packages/cartopy/mpl/geoaxes.py", line 862, in set_extent
    self.set_xlim([x1, x2])
  File "/home/slb93/miniconda3/envs/cf-env-312/lib/python3.12/site-packages/matplotlib/axes/_base.py", line 3739, in set_xlim
    return self.xaxis._set_lim(left, right, emit=emit, auto=auto)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/slb93/miniconda3/envs/cf-env-312/lib/python3.12/site-packages/matplotlib/axis.py", line 1236, in _set_lim
    v0 = self.axes._validate_converted_limits(v0, self.convert_units)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/slb93/miniconda3/envs/cf-env-312/lib/python3.12/site-packages/matplotlib/axes/_base.py", line 3660, in _validate_converted_limits
    raise ValueError("Axis limits cannot be NaN or Inf")
ValueError: Axis limits cannot be NaN or Inf