Update release notes for 1.5.2

oschwald · oschwald · commit f3a821f0067b · 2019-12-20T10:40:58.000-08:00
diff --git a/HISTORY.rst b/HISTORY.rst
@@ -3,6 +3,11 @@
 History
 -------
 
+1.5.2 (2019-12-20)
+------------------
+
+* Minor performance improvements in the pure Python reader.
+
 1.5.1 (2019-09-27)
 ++++++++++++++++++
 
