tiktoken_ext.__pycache__ Issue On Amazone Lambda

[FarzamHejaziK]

While EC2 is ok. On Amazon Lambda I get this error:
Traceback (most recent call last):
File "/var/task/tiktoken/registry.py", line 34, in _find_constructors
constructors = mod.ENCODING_CONSTRUCTORS
AttributeError: module 'tiktoken_ext.pycache' has no attribute 'ENCODING_CONSTRUCTORS'

Pyhton 3.9. Packaged with Zappa.

[dheerajiiitv]

raised a PR here #152