From 1ebcc1d11f1991d1f5c08db220515b132e08805c Mon Sep 17 00:00:00 2001
From: Semyon Proshev <sproshev@users.noreply.github.com>
Date: Thu, 25 May 2017 17:33:50 +0300
Subject: [PATCH] Add `timespec` parameter to `datetime.datetime.isoformat` for
 Python 3.6+. (#1349)

---
 stdlib/3/datetime.pyi | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/stdlib/3/datetime.pyi b/stdlib/3/datetime.pyi
index 527867da8..8b1b2e45a 100644
--- a/stdlib/3/datetime.pyi
+++ b/stdlib/3/datetime.pyi
@@ -1,3 +1,4 @@
+import sys
 from typing import Optional, SupportsAbs, Tuple, overload
 
 MINYEAR = 0
@@ -198,7 +199,10 @@ class datetime:
                 Optional[_tzinfo] = None) -> datetime: ...
     def astimezone(self, tz: Optional[_tzinfo] = ...) -> datetime: ...
     def ctime(self) -> str: ...
-    def isoformat(self, sep: str = ...) -> str: ...
+    if sys.version_info >= (3, 6):
+        def isoformat(self, sep: str = ..., timespec: str = ...) -> str: ...
+    else:
+        def isoformat(self, sep: str = ...) -> str: ...
     @classmethod
     def strptime(cls, date_string: str, format: str) -> datetime: ...
     def utcoffset(self) -> Optional[timedelta]: ...