Member references to tkinter fail

• python-mtkinter displays a window (version was 8.6)

• Be able to execute correctly on the terminal with the following code

  import tkinter
  
  root=tkinter.Tk()
  root.mainloop()
  

• The following error occurs when executing the same code in VScode

  $C:/Users/kento-hayakawa/AppData/Local/Programs/Python/Python37-32/python.exe:/Git/cellautomata/cellautomata/tkinter.py
  Traceback (most recent call last):
    File "cellautomata/tkinter.py", line 4, in <module>
      import tkinter
    File "C:\Git\cellautomata\cellautomata\tkinter.py", line 6, in <module>
      root=tkinter.Tk()
  AttributeError: module 'tkinter' has no attribute 'Tk'
  

import tkinter

root=tkinter.Tk()
root.mainloop()

$C:/Users/kento-hayakawa/AppData/Local/Programs/Python/Python37-32/python.exe:/Git/cellautomata/cellautomata/tkinter.py
Traceback (most recent call last):
  File "cellautomata/tkinter.py", line 4, in <module>
    import tkinter
  File "C:\Git\cellautomata\cellautomata\tkinter.py", line 6, in <module>
    root=tkinter.Tk()
AttributeError: module 'tkinter' has no attribute 'Tk'

• Python 3.7.2

  $which python
  /c/Users/kento-hayakawa/AppData/Local/Programs/Python/Python 37-32/python
  

• Windows

$which python
/c/Users/kento-hayakawa/AppData/Local/Programs/Python/Python 37-32/python