Revert pinned nightly (#658)

seanpmorgan · WindQAQ · commit 055113f68c7f · 2019-11-19T07:01:43.000-08:00
diff --git a/build_deps/requirements.txt b/build_deps/requirements.txt
@@ -1,2 +1,2 @@
 # TensorFlow greater than this date is manylinux2010 compliant
-tf-nightly==2.1.0.dev20191029
+tf-nightly>=2.1.0.dev20191004

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,2 @@`
`1`	`1`	`# TensorFlow greater than this date is manylinux2010 compliant`
`2`		`-tf-nightly==2.1.0.dev20191029`
	`2`	`+tf-nightly>=2.1.0.dev20191004`