https://github.com/shopkeep/pytest-black/pull/61

diff --git a/.travis.yml b/.travis.yml
index d9891e3..178b5f6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,10 @@
 language: python
 matrix:
   include:
+  - python: 3.10
+    env: TOX_ENV=py310,flake8
+  - python: 3.9
+    env: TOX_ENV=py39
   - python: 3.8
     env: TOX_ENV=py38
   - python: 3.7
@@ -9,8 +13,6 @@ matrix:
     env: TOX_ENV=py36
   - python: 3.5
     env: TOX_ENV=py35
-  - python: 2.7
-    env: TOX_ENV=py27
 install:
 - pip install tox
 script:
diff --git a/pytest_black.py b/pytest_black.py
index 04c80cb..23b461f 100644
--- a/pytest_black.py
+++ b/pytest_black.py
@@ -20,13 +20,10 @@ def pytest_addoption(parser):
     )
 
 
-def pytest_collect_file(path, parent):
+def pytest_collect_file(file_path, path, parent):
     config = parent.config
     if config.option.black and path.ext == ".py":
-        if hasattr(BlackItem, "from_parent"):
-            return BlackItem.from_parent(parent, fspath=path)
-        else:
-            return BlackItem(path, parent)
+        return BlackFile.from_parent(parent, path=file_path)
 
 
 def pytest_configure(config):
@@ -42,10 +39,17 @@ def pytest_unconfigure(config):
         config.cache.set(HISTKEY, config._blackmtimes)
 
 
-class BlackItem(pytest.Item, pytest.File):
-    def __init__(self, fspath, parent):
-        super(BlackItem, self).__init__(fspath, parent)
-        self._nodeid += "::BLACK"
+class BlackFile(pytest.File):
+    def collect(self):
+        """ returns a list of children (items and collectors)
+            for this collection node.
+        """
+        yield BlackItem.from_parent(self, name="black")
+
+
+class BlackItem(pytest.Item):
+    def __init__(self, **kwargs):
+        super(BlackItem, self).__init__(**kwargs)
         self.add_marker("black")
         try:
             with open("pyproject.toml") as toml_file:
@@ -61,8 +65,8 @@ def __init__(self, fspath, parent):
     def setup(self):
         pytest.importorskip("black")
         mtimes = getattr(self.config, "_blackmtimes", {})
-        self._blackmtime = self.fspath.mtime()
-        old = mtimes.get(str(self.fspath), 0)
+        self._blackmtime = self.path.stat().st_mtime
+        old = mtimes.get(str(self.path), 0)
         if self._blackmtime == old:
             pytest.skip("file(s) previously passed black format checks")
 
@@ -70,7 +74,7 @@ def setup(self):
             pytest.skip("file(s) excluded by pyproject.toml")
 
     def runtest(self):
-        cmd = [sys.executable, "-m", "black", "--check", "--diff", "--quiet", str(self.fspath)]
+        cmd = [sys.executable, "-m", "black", "--check", "--diff", "--quiet", str(self.path)]
         try:
             subprocess.run(
                 cmd, check=True, stdout=subprocess.PIPE, universal_newlines=True
@@ -79,7 +83,7 @@ def runtest(self):
             raise BlackError(e)
 
         mtimes = getattr(self.config, "_blackmtimes", {})
-        mtimes[str(self.fspath)] = self._blackmtime
+        mtimes[str(self.path)] = self._blackmtime
 
     def repr_failure(self, excinfo):
         if excinfo.errisinstance(BlackError):
@@ -87,7 +91,7 @@ def repr_failure(self, excinfo):
         return super(BlackItem, self).repr_failure(excinfo)
 
     def reportinfo(self):
-        return (self.fspath, -1, "Black format check")
+        return (self.path, -1, "Black format check")
 
     def _skip_test(self):
         return self._excluded() or (not self._included())
@@ -95,24 +99,18 @@ def _skip_test(self):
     def _included(self):
         if "include" not in self.pyproject:
             return True
-        return re.search(self.pyproject["include"], str(self.fspath))
+        return re.search(self.pyproject["include"], str(self.path))
 
     def _excluded(self):
         if "exclude" not in self.pyproject:
             return False
-        return re.search(self.pyproject["exclude"], str(self.fspath))
+        return re.search(self.pyproject["exclude"], str(self.path))
 
     def _re_fix_verbose(self, regex):
         if "\n" in regex:
             regex = "(?x)" + regex
         return re.compile(regex)
 
-    def collect(self):
-        """ returns a list of children (items and collectors)
-            for this collection node.
-        """
-        return (self,)
-
 
 class BlackError(Exception):
     pass
diff --git a/setup.py b/setup.py
index 88784dd..576a9f7 100644
--- a/setup.py
+++ b/setup.py
@@ -23,9 +23,9 @@ def read(fname):
     long_description=read("README.md"),
     long_description_content_type="text/markdown",
     py_modules=["pytest_black"],
-    python_requires=">=2.7",
+    python_requires=">=3.5",
     install_requires=[
-        "pytest>=3.5.0",
+        "pytest>=7.0.0",
         # Minimum requirement on black 19.3b0 or later is not declared here as
         # workaround for https://github.com/pypa/pipenv/issues/3928
         'black; python_version >= "3.6"',
@@ -38,7 +38,6 @@ def read(fname):
         "Framework :: Pytest",
         "Intended Audience :: Developers",
         "Topic :: Software Development :: Testing",
-        "Programming Language :: Python :: 2.7",
         "Programming Language :: Python :: 3",
         "Operating System :: OS Independent",
         "License :: OSI Approved :: MIT License",
diff --git a/tox.ini b/tox.ini
index 06711c2..0134ae4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,10 +3,10 @@
 ignore = E501
 
 [tox]
-envlist = py27,py35,py36,py37,py38,flake8
+envlist = py35,py36,py37,py38,py39,py310,flake8
 
 [testenv]
-deps = pytest>=3.0
+deps = pytest>=7.0
 commands = pytest {posargs:tests}
 
 [testenv:flake8]