Changed version to 3.4.3

- version 3.4.2 was incorrectly published due to a mistake
diff --git a/docs/conf.py b/docs/conf.py
index 9343fc3..a3f7b86 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -66,9 +66,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '3.4.2'
+version = '3.4.3'
 # The full version, including alpha/beta/rc tags.
-release = '3.4.2'
+release = '3.4.3'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.