It seems the be related to this issue:
  
      github.com/ipython/ipython
  
  
    
  
	  
  

  
    
      Last jedi release (0.18.0) is incompatible with ipython (7.19 and 7.18 tested); reason - column arg was deprecated, and now removed 5
    

    
      
        opened 
        
          
        
        Dec 25, 2020
      
      


      
        
          
          DaniilAnichin
        
      
    
  



  Relevant traceback reads as follows:
 File "../venv/lib/python3.8/site-packages/IPython/core/completer.py", line 2029, in _complete
 completions = self._jedi_matches(
 File "../venv/lib/python3.8/site-packages/IPython/core/completer.py", line 1373, in _jedi_matches
 interpreter...





  
  
    
    
  
  


Try to downgrade jedi to 0.17.2 via:
pip install jedi==0.17.2