pyMeteo: Error calculating sounding stats, datablock omitted....

[peters77]

Command:

skewt uwyoweb --station 10618 skewt.jpg

pyMeteo throws an error:

2019 4 25 0 10618
//anaconda2/envs/pytroll/lib/python3.6/site-packages/matplotlib/cbook/init.py:424: MatplotlibDeprecationWarning:
Passing one of 'on', 'true', 'off', 'false' as a boolean is deprecated; use an actual boolean (True/False) instead.
warn_deprecated("2.2", "Passing one of 'on', 'true', 'off', 'false' as a "
Error calcualting sounding stats, datablock omitted
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values
posx and posy should be finite values

But file is made...just for info.