Merge pull request #649 from jorenham/main

prefer `functools.cached_property` for python >= 3.8
bashtage · May 10, 2023 · 8665365 · 8665365
2 parents 778e203 + d027688
commit 8665365
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diff --git a/arch/vendor/__init__.py b/arch/vendor/__init__.py
@@ -1,7 +1,14 @@
-try:
-    # Prefer system installed version if available
-    from property_cached import cached_property
-except ImportError:
-    from arch.vendor.property_cached import cached_property
+import sys
+
+if sys.version_info >= (3, 8):
+    from functools import cached_property
+else:
+    try:
+        # Prefer system installed version if available
+        from property_cached import cached_property
+    except ImportError:
+        from arch.vendor.property_cached import cached_property
+
 
 __all__ = ["cached_property"]
+
diff --git a/requirements.txt b/requirements.txt
@@ -2,4 +2,4 @@ numpy>=1.17
 scipy>=1.3
 pandas>=1.0
 statsmodels>=0.11
-property_cached>=1.6.4
+