Fix some bugs

tests/dependencies/test_closure.py

@@ -21,9 +21,9 @@
 _NESTED_STR_DICT = Dict[str, "_NESTED_STR_DICT"]
 
 
-@pytest.fixture(scope="module")
+@pytest.fixture()
 def awscli_package():
-    yield Package(name="awscli")
+    return Package(name="awscli")
 
 
 class Package:
@@ -97,7 +97,7 @@ def _is_bounded_version_requirement(
         self, requirement: Requirement
     ) -> bool:
         for specifier in requirement.specifier:
-            if specifier.operator in ["==", "=<", "<"]:
+            if specifier.operator in ["==", "<=", "<"]:
                 return True
         return False
 
@@ -137,10 +137,13 @@ def test_expected_unbounded_runtime_dependencies(self, awscli_package):
             "six",  # Transitive dependency from python-dateutil
             "wcwidth",  # Transitive dependency from prompt-toolkit
         }
-        actual_unbounded_dependencies = set()
+        all_dependencies = set()
+        bounded_dependencies = set()
         for req, package in awscli_package.runtime_dependencies.walk():
-            if not self._is_bounded_version_requirement(req):
-                actual_unbounded_dependencies.add(package.name)
+            all_dependencies.add(package.name)
+            if self._is_bounded_version_requirement(req):
+                bounded_dependencies.add(package.name)
+        actual_unbounded_dependencies = all_dependencies - bounded_dependencies
         assert (
             actual_unbounded_dependencies == expected_unbounded_dependencies
         ), (