More lint-like things

Author: rocky

mathics/builtin/arithmetic.py

@@ -11,7 +11,6 @@
 
 import sympy
 import mpmath
-import math
 
 from mathics.builtin.base import (
     Builtin,
@@ -1350,7 +1349,7 @@ def apply(self, expr, evaluation):
         # try expanding the expression
             exprexp = Expression("ExpandAll", expr).evaluate(evaluation)
             exprexp = exprexp.to_sympy()
-            result = _iszero(exprexp)        
+            result = _iszero(exprexp)
         if result is None:
             # Can't get exact answer, so try approximate equal
             numeric_val = Expression("N", expr).evaluate(evaluation)

mathics/builtin/base.py

@@ -1,14 +1,12 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
-import mpmath
 import re
 import sympy
 
 from functools import total_ordering
 import importlib
 from itertools import chain
-
 import typing
 from typing import Any, cast
 
@@ -411,9 +409,11 @@ class Operator(Builtin):
     def get_operator(self) -> typing.Optional[str]:
         return self.operator
 
-    def get_operator_display(self) -> typing.Optional[str]:
+    def get_operator_display(self, want_unicode=False) -> typing.Optional[str]:
         if hasattr(self, "operator_display"):
             return self.operator_display
+        elif want_unicode:
+            return self.operator
         else:
             return self.operator
 
@@ -533,7 +533,7 @@ def apply(self, expr, evaluation) -> Symbol:
 
 
 class SympyFunction(SympyObject):
-    def get_constant(self, precision, have_mpmath=False):
+    def get_constant(self, precision, evaluation, have_mpmath=False):
         try:
             d = get_precision(precision, evaluation)
         except PrecisionValueError:

setup.py

@@ -25,7 +25,7 @@
 import sys
 import os.path as osp
 import platform
-from setuptools import setup, Command, Extension
+from setuptools import setup, Extension
 
 # Ensure user has the correct Python version
 if sys.version_info < (3, 6):