code: def proper_repr(value: Any) -> str:
      
  
      if isinstance(value, sympy.Basic):
          result = sympy.srepr(value)
  
          # HACK: work around https://github.com/sympy/sympy/issues/16074
          # (only handles a few cases)
          fixed_tokens = [
              'Symbol', 'pi', 'Mul', 'Add', 'Mod', 'Integer', 'Float', 'Rational'
          ]
          for token in fixed_tokens:
              result = result.replace(token, 'sympy.' + token)
  
          return result
  
      if isinstance(value, np.ndarray):
          return 'np.array({!r})'.format(value.tolist())
      return repr(value)
docs: Overrides sympy and numpy returning repr strings that don't parse.