Fix black

.pre-commit-config.yaml

@@ -14,21 +14,10 @@ repos:
       pass_filenames: false
       require_serial: true
       args: ["."]
-  - repo: local
+  - repo: https://github.com/psf/black
+    rev: 22.1.0
     hooks:
-    # using a local hook for black because of an issue that arises when using
-    # pre-commit and setuptools-scm that results in version info being lost.
-    # For more info see https://github.com/psf/black/issues/2493
-    # Based on https://github.com/psf/black/blob/main/.pre-commit-hooks.yaml
     - id: black
-      name: black
-      description: "Black: The uncompromising Python code formatter"
-      entry: black
-      language: python
-      # WARNING: version should be the same as in `pyproject.toml`.
-      additional_dependencies: [black==21.9b0]
-      # This is here to defer file selection to black which will do it based on
-      # black config.
       pass_filenames: false
       require_serial: true
       args: ["."]

docs/developers.rst

@@ -10,8 +10,7 @@ This document describes the process and conventions to follow when
 developing RDFLib code.
 
 * Please be as Pythonic as possible (:pep:`8`).
-* Code should be formatted using `black <https://github.com/psf/black>`_
-  and we use Black v21.9b0, with the black.toml config file provided.
+* Code should be formatted using `black <https://github.com/psf/black>`_.
 * Code should also pass `flake8 <https://github.com/psf/black>`_ linting
   and `mypy <http://mypy-lang.org/>`_ type checking.
 * You must supply tests for new code

pyproject.toml

@@ -1,6 +1,4 @@
 [tool.black]
-# WARNING: This should be the same as in `.pre-commit-config.yaml`.
-required-version = "21.9b0"
 line-length = "88"
 skip-string-normalization = true
 target-version = ['py37']

rdflib/plugins/stores/berkeleydb.py

@@ -300,15 +300,12 @@ def add(self, triple, context, quoted=False, txn=None):
     def __remove(self, spo, c, quoted=False, txn=None):
         s, p, o = spo
         cspo, cpos, cosp = self.__indicies
-        contexts_value = (
-            cspo.get(
-                "^".encode("latin-1").join(
-                    ["".encode("latin-1"), s, p, o, "".encode("latin-1")]
-                ),
-                txn=txn,
-            )
-            or "".encode("latin-1")
-        )
+        contexts_value = cspo.get(
+            "^".encode("latin-1").join(
+                ["".encode("latin-1"), s, p, o, "".encode("latin-1")]
+            ),
+            txn=txn,
+        ) or "".encode("latin-1")
         contexts = set(contexts_value.split("^".encode("latin-1")))
         contexts.discard(c)
         contexts_value = "^".encode("latin-1").join(contexts)

requirements.dev.txt

@@ -1,8 +1,7 @@
-black==21.9b0
+black
 coverage
 doctest-ignore-unicode==0.1.2
 flake8
-flake8-black
 html5lib
 isort
 mypy