diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 8b81cb64c..41855efd7 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -74,7 +74,7 @@ jobs:
     strategy:
       matrix:
         python-platform: ["Linux", "Windows", "Darwin"]
-        python-version: [3.6, 3.7, 3.8, 3.9, '3.10']
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10"]
       fail-fast: false
     env:
       PYRIGHT_VERSION: 1.1.152  # Must match pyright_test.py.
@@ -100,7 +100,7 @@ jobs:
     strategy:
       matrix:
         os: ["ubuntu-latest", "windows-latest", "macos-latest"]
-        python-version: [3.6, 3.7, 3.8, 3.9, '3.10.0-beta.1']
+        python-version: ["3.6", "3.7", "3.8", "3.9", "3.10.0-beta.4"]
       fail-fast: false
 
     steps:
diff --git a/stdlib/enum.pyi b/stdlib/enum.pyi
index 1ab8ea5a0..64bd74d81 100644
--- a/stdlib/enum.pyi
+++ b/stdlib/enum.pyi
@@ -78,7 +78,7 @@ class IntFlag(int, Flag):
     __rand__ = __and__
     __rxor__ = __xor__
 
-if sys.version_info >= (3, 10):
+if sys.version_info >= (3, 11):
     class StrEnum(str, Enum):
         def __new__(cls: Type[_T], value: Union[int, _T]) -> _T: ...
     class FlagBoundary(StrEnum):
diff --git a/stdlib/statistics.pyi b/stdlib/statistics.pyi
index 4435bf8a0..305bb3961 100644
--- a/stdlib/statistics.pyi
+++ b/stdlib/statistics.pyi
@@ -82,6 +82,6 @@ if sys.version_info >= (3, 10):
     def correlation(__x: Sequence[_Number], __y: Sequence[_Number]) -> float: ...
     def covariance(__x: Sequence[_Number], __y: Sequence[_Number]) -> float: ...
     class LinearRegression(NamedTuple):
-        intercept: float
         slope: float
+        intercept: float
     def linear_regression(__regressor: Sequence[_Number], __dependent_variable: Sequence[_Number]) -> LinearRegression: ...