fix tests for 3.9 and 3.10

Pipfile.lock

@@ -22,6 +22,13 @@
             ],
             "version": "==0.7.12"
         },
+        "appdirs": {
+            "hashes": [
+                "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41",
+                "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"
+            ],
+            "version": "==1.4.4"
+        },
         "arpeggio": {
             "hashes": [
                 "sha256:bfe349f252f82f82d84cb886f1d5081d1a31451e6045275e9f90b65d0daa06f1",
@@ -29,6 +36,14 @@
             ],
             "version": "==1.10.2"
         },
+        "atomicwrites": {
+            "hashes": [
+                "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197",
+                "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.4.0"
+        },
         "attrs": {
             "hashes": [
                 "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",

tests/integration/test_lock.py

@@ -401,6 +401,7 @@ fake-package = "*"
 @pytest.mark.lock
 @pytest.mark.install
 @pytest.mark.skip_windows
+@pytest.mark.skipif(sys.version >= (3, 9), reason="old setuptools doesn't work")
 @pytest.mark.needs_internet
 def test_outdated_setuptools_with_pep517_legacy_build_meta_is_updated(PipenvInstance):
     """
@@ -429,6 +430,7 @@ def test_outdated_setuptools_with_pep517_legacy_build_meta_is_updated(PipenvInst
 @pytest.mark.lock
 @pytest.mark.install
 @pytest.mark.skip_windows
+@pytest.mark.skipif(sys.version >= (3, 9), reason="old setuptools doesn't work")
 @pytest.mark.needs_internet
 def test_outdated_setuptools_with_pep517_cython_import_in_setuppy(PipenvInstance):
     """

tests/integration/test_uninstall.py

@@ -32,7 +32,7 @@ def test_uninstall_requests(PipenvInstance):
 @pytest.mark.uninstall
 def test_uninstall_django(PipenvInstance):
     with PipenvInstance() as p:
-        c = p.pipenv("install Django==1.11.13")
+        c = p.pipenv("install Django")
         assert c.returncode == 0
         assert "django" in p.pipfile["packages"]
         assert "django" in p.lockfile["default"]
@@ -61,7 +61,7 @@ def test_mirror_uninstall(PipenvInstance):
         )
         assert "pypi.org" not in mirror_url
 
-        c = p.pipenv(f"install Django==1.11.13 --pypi-mirror {mirror_url}")
+        c = p.pipenv(f"install Django --pypi-mirror {mirror_url}")
         assert c.returncode == 0
         assert "django" in p.pipfile["packages"]
         assert "django" in p.lockfile["default"]