Revert "Use monotonic time for pool age measurement"

This reverts commit 0220b58917b5a979891b5765f6ac5095e0368489.

I completely misread https://www.python.org/dev/peps/pep-0418/#rationale
and the accuracy of monotonic() is *worse* on windows than time.time(),
which is bizarre.

Change-Id: I2d571e268a2051bea68736507773d3904403af9e

1 files changed, 2 insertions, 12 deletions

diff --git a/lib/sqlalchemy/testing/requirements.py b/lib/sqlalchemy/testing/requirements.py
index e2c61a05e..45a2fdf31 100644
--- a/lib/sqlalchemy/testing/requirements.py
+++ b/lib/sqlalchemy/testing/requirements.py
@@ -15,6 +15,7 @@ to provide specific inclusion/exclusions.
 
 """
 
+import platform
 import sys
 
 from . import exclusions
@@ -1092,22 +1093,11 @@ class SuiteRequirements(Requirements):
 
     def _running_on_windows(self):
         return exclusions.LambdaPredicate(
-            lambda: util.win32,
+            lambda: platform.system() == "Windows",
             description="running on Windows",
         )
 
     @property
-    def millisecond_monotonic_time(self):
-        """the util.monotonic_time() function must be millisecond accurate.
-
-        Under Python 2 we can't guarantee this on Windows.
-
-        """
-        return exclusions.skip_if(
-            lambda: util.win32 and sys.version_info < (3,)
-        )
-
-    @property
     def timing_intensive(self):
         return exclusions.requires_tag("timing_intensive")