No module named 'pandas'

[Sety Lambrecht]

Hello,

I cannot run my executable file because the following error pops up:

ModuleNotFoundError: No module named 'pandas'

[21761] Failed to execute script

When running Pyinstaller --debug=imports, I find the following:

# pandas not found in PYZ

Traceback (most recent call last):

  File "UI.py", line 4, in <module>

  File "<frozen importlib._bootstrap>", line 991, in _find_and_load

  File "<frozen importlib._bootstrap>", line 973, in _find_and_load_unlocked

ModuleNotFoundError: No module named 'pandas'

I have already tried adding 'pandas' to hidden-import in the pip command, as well as creating a hook-pandas.py. 

I am running Python 3.8 and Pyinstaller 4.0.dev0+9dd34bdfba on macOS Catalina.

Can anybody please help me resolve this issue?