travis fixes

.travis.yml

@@ -2,7 +2,6 @@ group: travis_latest
 language: python
 cache: pip
 python:
-    - 2.7
     - 3.7
 install:
     - pip install flake8 -r requirements.txt

lib/spark.py

@@ -42,8 +42,9 @@ import constants
 import translations
 import wttr_line
 
-reload(sys)
+if sys.version_info >= (3, 0):
-sys.setdefaultencoding("utf-8")
+    reload(sys)
+    sys.setdefaultencoding("utf-8")
 
 # data processing {{{