Fixes Travis and AppVeyor issues

.appveyor.yml

@@ -9,7 +9,8 @@ init:
   - set PATH=C:\Miniconda;C:\Miniconda\Scripts;C:\Program Files (x86)\NSIS;%PATH%
   - conda create -n syncplay -y
   - activate syncplay
-  - conda install python pywin32 -y
+  - conda install python=2.7.13 -y
+  - conda install pywin32 -y
   - conda install -c conda-forge pyside2 -y
   - pip install twisted py2exe_py2 zope.interface
   - type nul > C:\Miniconda\envs\syncplay\lib\site-packages\zope\__init__.py

.travis.yml

@@ -44,6 +44,7 @@ before_deploy:
 - dmgbuild -s appdmg.py "Syncplay" dist_dmg/Syncplay_${VER}_macOS_pyside2.dmg
 
 deploy:
+  skip_cleanup: true
   on: qtpy-pyside2
   provider: bintray
   file: "bintray.json"