CLN: General cleanup in _libs/lib.pyx (#33532)

ShaharNaveh · pull[bot] · commit df86633480de · 2020-11-24T03:14:15.000Z
diff --git a/pandas/_libs/lib.pyx b/pandas/_libs/lib.pyx
@@ -1,9 +1,6 @@
 from collections import abc
 from decimal import Decimal
-from fractions import Fraction
-from numbers import Number
 
-import sys
 import warnings
 
 import cython
