Use black@stable, bring source to black compliance

.github/workflows/python_style_checks.yml

@@ -25,6 +25,10 @@ jobs:
     # The type of runner that the job will run on
     runs-on: ubuntu-latest
 
+    strategy:
+      matrix:
+        python-version: [3.9]
+
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
@@ -33,16 +37,17 @@ jobs:
       - uses: actions/setup-python@v2
 
       # Run black code formatter
-      - uses: psf/black@21.4b2
+      - uses: psf/black@stable
         with:
-          args: ". --check"
+          src: "."
+          options: "--check"
 
   flake8:
     runs-on: ubuntu-latest
 
     strategy:
       matrix:
-        python-version: [3.7]
+        python-version: [3.9]
 
     steps:
     - uses: actions/checkout@v2

.pre-commit-config.yaml

@@ -13,7 +13,7 @@ repos:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
 -   repo: https://github.com/psf/black
-    rev: 21.10b0
+    rev: 22.1.0
     hooks:
     -   id: black
         exclude: "versioneer.py|dpctl/_version.py"

dpctl/tests/test_sycl_event.py

@@ -202,7 +202,7 @@ def test_sycl_timer():
         # device task
         m1.copy_from_device(m2)
         # host task
-        [x ** 2 for x in range(1024)]
+        [x**2 for x in range(1024)]
     host_dt, device_dt = timer.dt
     assert host_dt > device_dt
     q_no_profiling = dpctl.SyclQueue()

examples/cython/sycl_buffer/bench.py

@@ -21,7 +21,7 @@
 
 import dpctl
 
-X = np.full((10 ** 4, 4098), 1e-4, dtype="d")
+X = np.full((10**4, 4098), 1e-4, dtype="d")
 
 # warm-up
 print("=" * 10 + " Executing warm-up " + "=" * 10)

examples/cython/sycl_direct_linkage/bench.py

@@ -19,7 +19,7 @@
 import numpy as np
 import syclbuffer_naive as sb
 
-X = np.full((10 ** 4, 4098), 1e-4, dtype="d")
+X = np.full((10**4, 4098), 1e-4, dtype="d")
 
 # warm-up
 print("=" * 10 + " Executing warm-up " + "=" * 10)

examples/cython/usm_memory/run.py

@@ -61,7 +61,7 @@ def gen_option_params(
     np.allclose(Xgpu, X_ref, atol=1e-5),
 )
 
-n_opts = 3 * 10 ** 6
+n_opts = 3 * 10**6
 
 # compute on CPU sycl device
 

examples/pybind11/use_dpctl_syclqueue/example.py

@@ -36,7 +36,7 @@
 print("")
 print("Computing modular reduction using SYCL on a NumPy array")
 
-X = np.random.randint(low=1, high=2 ** 16 - 1, size=10 ** 6, dtype=np.longlong)
+X = np.random.randint(low=1, high=2**16 - 1, size=10**6, dtype=np.longlong)
 modulus_p = 347
 
 Y = eg.offloaded_array_mod(

examples/python/usm_memory_host_access.py

@@ -34,7 +34,7 @@
 # populate buffer from host one byte at a type
 for i in range(len(ms)):
     ir = i % 256
-    msv[i] = ir ** 2 % 256
+    msv[i] = ir**2 % 256
 
 mh = dpmem.MemoryUSMHost(64)
 mhv = memoryview(mh)