fix: fix dependency issue in fastavro (#241)
fix: fix dependency issue in fastavro (#241)

* fixing dependency version to last version that supports Python 2.7

* Update noxfile.py

Removing fastavro dependency.

Co-authored-by: Tim Swast <a3eff73c589dfc8fc0f2c2046d0b8bdfcb66c6ff@google.com>

Co-authored-by: Tim Swast <a3eff73c589dfc8fc0f2c2046d0b8bdfcb66c6ff@google.com>
googleapis/python-bigquery,googleapis/python-bigquery