CI: Remove now-uneeded workarounds (#4665)

.pre-commit-config.yaml

@@ -48,7 +48,9 @@ repos:
           - types-PyYAML
           - types-atheris
           - tomli >= 0.2.6, < 2.0.0
-          - click >= 8.1.0, != 8.1.4, != 8.1.5
+          - click >= 8.2.0
+          # Click is intentionally out-of-sync with pyproject.toml
+          # v8.2 has breaking changes. We work around them at runtime, but we need the newer stubs.
           - packaging >= 22.0
           - platformdirs >= 2.1.0
           - pytokens >= 0.1.10

scripts/fuzz.py

@@ -5,14 +5,11 @@
 a coverage-guided fuzzer I'm working on.
 """
 
-import re
-
 import hypothesmith
 from hypothesis import HealthCheck, given, settings
 from hypothesis import strategies as st
 
 import black
-from blib2to3.pgen2.tokenize import TokenError
 
 
 # This test uses the Hypothesis and Hypothesmith libraries to generate random
@@ -45,23 +42,7 @@ def test_idempotent_any_syntatically_valid_python(
     compile(src_contents, "<string>", "exec")  # else the bug is in hypothesmith
 
     # Then format the code...
-    try:
-        dst_contents = black.format_str(src_contents, mode=mode)
-    except black.InvalidInput:
-        # This is a bug - if it's valid Python code, as above, Black should be
-        # able to cope with it.  See issues #970, #1012
-        # TODO: remove this try-except block when issues are resolved.
-        return
-    except TokenError as e:
-        if (  # Special-case logic for backslashes followed by newlines or end-of-input
-            e.args[0] == "EOF in multi-line statement"
-            and re.search(r"\\($|\r?\n)", src_contents) is not None
-        ):
-            # This is a bug - if it's valid Python code, as above, Black should be
-            # able to cope with it.  See issue #1012.
-            # TODO: remove this block when the issue is resolved.
-            return
-        raise
+    dst_contents = black.format_str(src_contents, mode=mode)
 
     # And check that we got equivalent and stable output.
     black.assert_equivalent(src_contents, dst_contents)

tests/test_black.py

@@ -119,7 +119,7 @@ def __init__(self) -> None:
         if Version(imp_version("click")) >= Version("8.2.0"):
             super().__init__()
         else:
-            super().__init__(mix_stderr=False)
+            super().__init__(mix_stderr=False)  # type: ignore
 
 
 def invokeBlack(

tox.ini

@@ -13,18 +13,16 @@ skip_install = True
 recreate = True
 deps =
     -r{toxinidir}/test_requirements.txt
-; parallelization is disabled on CI because pytest-dev/pytest-xdist#620 occurs too frequently
-; local runs can stay parallelized since they aren't rolling the dice so many times as like on CI
 commands =
     pip install -e .[d]
     coverage erase
     pytest tests --run-optional no_jupyter \
-        !ci: --numprocesses auto \
+        --numprocesses auto \
         --cov {posargs}
     pip install -e .[jupyter]
     pytest tests --run-optional jupyter \
         -m jupyter \
-        !ci: --numprocesses auto \
+        --numprocesses auto \
         --cov --cov-append {posargs}
     coverage report
 
@@ -34,20 +32,15 @@ skip_install = True
 recreate = True
 deps =
     -r{toxinidir}/test_requirements.txt
-; a separate worker is required in ci due to https://foss.heptapod.net/pypy/pypy/-/issues/3317
-; this seems to cause tox to wait forever
-; remove this when pypy releases the bugfix
 commands =
     pip install -e .[d]
     pytest tests \
         --run-optional no_jupyter \
-        !ci: --numprocesses auto \
-        ci: --numprocesses 1
+        --numprocesses auto
     pip install -e .[jupyter]
     pytest tests --run-optional jupyter \
         -m jupyter \
-        !ci: --numprocesses auto \
-        ci: --numprocesses 1
+        --numprocesses auto
 
 [testenv:{,ci-}311]
 setenv =
@@ -59,22 +52,17 @@ deps =
 ; We currently need > aiohttp 3.8.1 that is on PyPI for 3.11
     git+https://github.com/aio-libs/aiohttp
     -r{toxinidir}/test_requirements.txt
-; a separate worker is required in ci due to https://foss.heptapod.net/pypy/pypy/-/issues/3317
-; this seems to cause tox to wait forever
-; remove this when pypy releases the bugfix
 commands =
     pip install -e .[d]
     coverage erase
     pytest tests \
         --run-optional no_jupyter \
-        !ci: --numprocesses auto \
-        ci: --numprocesses 1 \
+        --numprocesses auto \
         --cov {posargs}
     pip install -e .[jupyter]
     pytest tests --run-optional jupyter \
         -m jupyter \
-        !ci: --numprocesses auto \
-        ci: --numprocesses 1 \
+        --numprocesses auto \
         --cov --cov-append {posargs}
     coverage report