Fix pip install

.travis.yml

@@ -56,7 +56,7 @@ install:
   - pip install requests
   - pip install base58
   - pip install quamash
-  - pip install asyncio
+  - pip install aiohttp
   - pip install git+https://github.com/Insoleet/pretenders.git@develop
   - python gen_resources.py
   - python gen_translations.py

ci/appveyor/build.cmd

@@ -16,7 +16,7 @@ pip install libnacl
 pip install requests
 pip install base58
 pip install quamash
-pip install asyncio
+pip install aiohttp
 pip install git+https://github.com/Insoleet/pretenders.git@develop
 
 python gen_resources.py