Ben Hosmer

Add a clarification to the doc pre-requisite namespace

2

The helm install fails if a flagger namespace doesn't already exist.

## Context Enterprise customers commonly white-list and approve certain versions of software for use in their infrastructure. Often these are older and stable versions. The new binary releases aren't approved...

I do see what you mean now though with the node configure: ``` ... INFO:virtual-node:b' ^' INFO:virtual-node:b"SyntaxError: Missing parentheses in call to 'print'" CRITICAL:virtual-node:b' File "./configure", line 319' ... ```...

AttributeError: 'module' object has no attribute 'urlretrieve'

2

From within an activated virtualenv: `(myvenv) $ pip install virtual-node` Python Version: Python 3.4.3 It appears this module isn't compatible with Python 3?