Update requirements.txt

SteveClement · web-flow · commit ada9b12b0340 · 2019-12-17T09:52:29.000+09:00
diff --git a/requirements.txt b/requirements.txt
@@ -9,7 +9,7 @@ cryptography==2.4.2
 cycler==0.9.0
 decorator==4.0.9
 docutils==0.12
-ecdsa==0.13
+ecdsa
 Fabric==1.11.1
 feedgenerator==1.8
 gnureadline==6.3.3
