Fixing issue with multiple fields in YAML file

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Fixed
+- Issue with multiple answers in devel server and YAML-format .moth
 
 ## [3.4.1] - 2019-11-17
 ### Fixed

devel/moth.py

@@ -249,6 +249,10 @@ class Puzzle:
             self.success.mastery = val
         elif key == "solution":
             self.solution = val
+        elif key == "ksas":
+            if not isinstance(val, list):
+                raise ValueError("KSAs must be a list, got %s, instead" & (type(val),))
+            self.ksas = val
         elif key == "ksa":
             self.ksas.append(val)
         else: