review changes

Author: kkraus14

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ repos:
         hooks:
               - id: isort
       - repo: https://github.com/ambv/black
-        rev: 19.10b0
+        rev: stable
         hooks:
               - id: black
       - repo: https://gitlab.com/pycqa/flake8

python/.flake8

@@ -1,4 +1,4 @@
-# Copyright (c) 2018, NVIDIA CORPORATION.
+# Copyright (c) 2020, NVIDIA CORPORATION.
 
 [flake8]
 exclude = __init__.py

python/setup.py

@@ -26,9 +26,7 @@
     CUDA_HOME = os.path.dirname(os.path.dirname(path_to_cuda_gdb))
 
 if not os.path.isdir(CUDA_HOME):
-    raise OSError(
-        "Invalid CUDA_HOME: " f"directory does not exist: {CUDA_HOME}"
-    )
+    raise OSError(f"Invalid CUDA_HOME: directory does not exist: {CUDA_HOME}")
 
 cuda_include_dir = os.path.join(CUDA_HOME, "include")