isort/settings.py                     |  2 +-

 tests/unit/test_deprecated_finders.py | 14 ++++++++++++++

 tests/unit/test_ticketed_features.py  | 35 +++++++++++++++++++++++++----------

 3 files changed, 40 insertions(+), 11 deletions(-)

diff --git a/isort/settings.py b/isort/settings.py

index fb9bba2f..9be3e128 100644

--- a/isort/settings.py

+++ b/isort/settings.py

@@ -48,7 +48,7 @@ from .wrap_modes import from_string as wrap_mode_from_string

 if TYPE_CHECKING:

     tomli: Any

 else:

-    from ._vendored import tomli

+    import tomli

 _SHEBANG_RE = re.compile(rb"^#!.*\bpython[23w]?\b")

 CYTHON_EXTENSIONS = frozenset({"pyx", "pxd"})

diff --git a/tests/unit/test_deprecated_finders.py b/tests/unit/test_deprecated_finders.py

index 3d715c2e..39118274 100644

--- a/tests/unit/test_deprecated_finders.py

+++ b/tests/unit/test_deprecated_finders.py

@@ -4,6 +4,8 @@ import posixpath

 from pathlib import Path

 from unittest.mock import patch

+import pytest

+

 from isort import sections, settings

 from isort.deprecated import finders

 from isort.deprecated.finders import FindersManager

@@ -130,12 +132,20 @@ class TestRequirementsFinder(AbstractTestFinder):

         test_finder.enabled = False

         assert not test_finder.find("isort")

+    @pytest.mark.skipif(

+        finders.parse_requirements is None,

+        reason="Requires pip-api",

+    )

     def test_requirements_dir(self, tmpdir):

         tmpdir.mkdir("requirements").join("development.txt").write("x==1.00")

         test_finder = self.kind(settings.DEFAULT_CONFIG, str(tmpdir))

         assert test_finder.find("x")

+@pytest.mark.skipif(

+    finders.parse_requirements is None,

+    reason="Requires pip-api",

+)

 def test_requirements_finder(tmpdir) -> None:

     subdir = tmpdir.mkdir("subdir").join("lol.txt")

     subdir.write("flask")

@@ -163,6 +173,10 @@ def test_requirements_finder(tmpdir) -> None:

     req_file.remove()

+@pytest.mark.skipif(

+    finders.Pipfile is None,

+    reason="Requires requirementslib",

+)

 def test_pipfile_finder(tmpdir) -> None:

     pipfile = tmpdir.join("Pipfile")

     pipfile.write(PIPFILE)

diff --git a/tests/unit/test_ticketed_features.py b/tests/unit/test_ticketed_features.py

index 6f483e8f..9eb0fa20 100644

--- a/tests/unit/test_ticketed_features.py

+++ b/tests/unit/test_ticketed_features.py

@@ -9,6 +9,16 @@ import pytest

 import isort

 from isort import Config, exceptions

+try:

+    import example_shared_isort_profile

+except ImportError:

+    example_shared_isort_profile = None

+

+try:

+    import example_isort_sorting_plugin

+except ImportError:

+    example_isort_sorting_plugin = None

+

 def test_semicolon_ignored_for_dynamic_lines_after_import_issue_1178():

     """Test to ensure even if a semicolon is in the decorator in the line following an import

@@ -227,6 +237,10 @@ import os

     )

+@pytest.mark.skipif(

+    example_shared_isort_profile is None,

+    reason="Requires example_shared_isort_profile",

+)

 def test_isort_supports_shared_profiles_issue_970():

     """Test to ensure isort provides a way to use shared profiles.

     See: https://github.com/pycqa/isort/issues/970.

@@ -1043,17 +1057,18 @@ def test_sort_configurable_sort_issue_1732() -> None:

             "from bob.apples import aardvark\n"

         )

     )

-    assert (

-        isort.code(test_input, sort_order="natural_plus")

-        == isort.code(test_input)

-        == (

-            "import module9\n"

-            "import module10\n"

-            "import module200\n"

-            "from bob2.apples2 import aardvark as aardvark2\n"

-            "from bob.apples import aardvark\n"

+    if example_isort_sorting_plugin is not None:

+        assert (

+            isort.code(test_input, sort_order="natural_plus")

+            == isort.code(test_input)

+            == (

+                "import module9\n"

+                "import module10\n"

+                "import module200\n"

+                "from bob2.apples2 import aardvark as aardvark2\n"

+                "from bob.apples import aardvark\n"

+            )

         )

-    )

     with pytest.raises(exceptions.SortingFunctionDoesNotExist):

         isort.code(test_input, sort_order="round")