[pre-commit.ci] auto fixes from pre-commit.com hooks

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src/_pytest/pytester.py

@@ -1344,16 +1344,16 @@
 
         You probably want to use :py:meth:`run` instead.
         """
-        env = kw.pop('env', None) or os.environ.copy()
+        env = kw.pop("env", None) or os.environ.copy()
         pythonpath = env.get("PYTHONPATH", "")
 
         paths_to_add = [os.getcwd()]
         if hasattr(self, "_syspath_prepended"):
             paths_to_add.insert(0, self._syspath_prepended)
 
         pythonpath = os.pathsep.join(filter(None, [*paths_to_add, pythonpath]))
 
         env["PYTHONPATH"] = pythonpath
         kw["env"] = env
 
         if stdin is self.CLOSE_STDIN:
@@ -1504,24 +1504,24 @@
         if plugins:
             args = ("-p", plugins[0], *args)
 
         env = os.environ.copy()
         pythonpath = env.get("PYTHONPATH", "")
 
         if hasattr(self, "_syspath_prepended"):
             pythonpath = os.pathsep.join(
                 filter(None, [self._syspath_prepended, pythonpath])
             )
 
         env["PYTHONPATH"] = pythonpath
 
         python_executable = sys.executable
         pytest_command = [python_executable, "-m", "pytest"]
 
         if hasattr(self, "_syspath_prepended"):
             prepend_command = (
                 f"import sys; sys.path.insert(0, '{self._syspath_prepended}');"
             )
             pytest_command = [
                 python_executable,
                 "-c",
                 f"{prepend_command} import pytest; pytest.main({list(args)})",
@@ -1531,7 +1531,7 @@
                 str(arg) for arg in args
             )  # Convert all args to strings
 
         return self.run(*pytest_command, timeout=timeout, env=env)
 
     def spawn_pytest(self, string: str, expect_timeout: float = 10.0) -> pexpect.spawn:
         """Run pytest using pexpect.