name 'myPDDL' is not defined

[newarney]

Hello!

I am trying to use myPDDL in Sublime, but when trying to calculate the distance, I find the following error:

myPDDL-distance Traceback (most recent call last): File "", line 1, in NameError: name 'myPDDL' is not defined Exception in thread Thread-6: Traceback (most recent call last): File "./python3.3/threading.py", line 901, in _bootstrap_inner File "/home/newarney/.config/sublime-text-3/Packages/myPDDL/mypddl.py", line 40, in run subprocess.Popen([self.mypddl_cmd, "distance", self.file_name]) File "./python3.3/subprocess.py", line 819, in init File "./python3.3/subprocess.py", line 1386, in _execute_child TypeError: Can't convert 'NoneType' object to str implicitly

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I am using Ubuntu 18.04.3 LTS OS (64 bit).

Thank you!