Switch to development version of PIO Core, enable memory usage stats

ivankravets · web-flow · commit 2208d4a1b65e · 2018-06-15T22:05:37.000+03:00
diff --git a/.travis.yml b/.travis.yml
@@ -29,7 +29,8 @@ env:
     - PLATFORMIO_PROJECT_DIR=examples/PlatformIO/TextDisplay
 
 install:
-    - pip install -U platformio
+    - pip install platformio
+    - platformio upgrade --dev
     - platformio update
 
 script:
