From ad19c3c7dc9ff29cb6849e0c3bcfc08b40c976db Mon Sep 17 00:00:00 2001
From: Dima Gerasimov <karlicoss@gmail.com>
Date: Mon, 6 May 2019 21:41:45 +0000
Subject: [PATCH] fix None error

---
 hypothesis/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hypothesis/__init__.py b/hypothesis/__init__.py
index f5e119b..47c0656 100644
--- a/hypothesis/__init__.py
+++ b/hypothesis/__init__.py
@@ -54,7 +54,7 @@ def _iter():
         if selectors is None:
             # TODO warn?...
             selectors = []
-        content: Optional[str]
+        content: Optional[str] = None
         for s in selectors:
             if 'exact' in s:
                 content = s['exact']