pylint: enable the bad_builtin checker

This finds uses of deny-listed functions, which defaults to map and
filter. These functions should be replaced by comprehensions in
idiomatic python because:
    1. comprehensions are more heavily optimized and are often faster
    2. They avoid the need for lambdas in some cases, which make them
       faster
    3. you can do the equivalent in one statement rather than two, which
       is faster
    4. They're easier to read
    5. if you need a concrete instance (ie, a list) then you don't have
       to convert the iterator to a list afterwards

1 files changed, 2 insertions, 2 deletions

diff --git a/mesonbuild/utils/universal.py b/mesonbuild/utils/universal.py
index 9fa590b..f58a124 100644
--- a/mesonbuild/utils/universal.py
+++ b/mesonbuild/utils/universal.py
@@ -26,7 +26,7 @@ import abc
 import platform, subprocess, operator, os, shlex, shutil, re
 import collections
 from functools import lru_cache, wraps, total_ordering
-from itertools import tee, filterfalse
+from itertools import tee
 from tempfile import TemporaryDirectory, NamedTemporaryFile
 import typing as T
 import textwrap
@@ -1399,7 +1399,7 @@ def partition(pred: T.Callable[[_T], object], iterable: T.Iterable[_T]) -> T.Tup
     ([0, 2, 4, 6, 8], [1, 3, 5, 7, 9])
     """
     t1, t2 = tee(iterable)
-    return filterfalse(pred, t1), filter(pred, t2)
+    return (t for t in t1 if not pred(t)), (t for t in t2 if pred(t))
 
 
 def Popen_safe(args: T.List[str], write: T.Optional[str] = None,