undo docx version

requirements.txt

 pycurl==7.43.0.2
-python-docx==0.8.10
 asn1crypto==0.24.0
 Babel==2.6.0
 backports.functools-lru-cache==1.5
@@ -45,6 +44,7 @@ pyexcel-xls==0.5.0
 PyJWT==1.6.4
 pyparsing==2.2.2
 python-dateutil==2.7.3
+python-docx==0.8.6
 pytz==2016.10
 qrcode==4.0.4
 requests==2.19.1