add comment on using Python identifiers as our own variables.

git-svn-id: https://svn.apache.org/repos/asf/incubator/tashi/trunk@1351177 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/doc/DEVELOPMENT b/doc/DEVELOPMENT
index 32d1b20..ac6197c 100644
--- a/doc/DEVELOPMENT
+++ b/doc/DEVELOPMENT
@@ -8,3 +8,9 @@
 
 Other ideas:
    * Make available a console aggregator for user's VMs.
+
+Python caveats:
+   * We've liked to use variables like bin, id, sum, input, etc. are
+     built-in, and will be flagged by pydev
+   * pydev does not like python modules with a dash in the name
+