cleanup

.github/workflows/python-package.yml

@@ -10,10 +10,10 b' on:'
     branches: [ master, 7.x ]
 
 jobs:
-  build:
+  formatting:
 
     runs-on: ubuntu-latest
-    timeout-minutes: 10
+    timeout-minutes: 5
     strategy:
       matrix:
         python-version: [3.8]
@@ -29,7 +29,7 b' jobs:'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install darker isort
+        pip install darker
     - name: Lint with darker
       run: |
         darker -r 60625f241f298b5039cb2debc365db38aa7bb522 --check --diff . || (

IPython/utils/timing.py

@@ -66,6 +66,7 b' else:'
     # There is no distinction of user/system time under windows, so we just use
     # time.perff_counter() for everything...
     clocku = clocks = clock = time.perf_counter
+
     def clock2():
         """Under windows, system CPU time can't be measured.