Swap nodeenv to a pinned requirement.

lib/galaxy/dependencies/pipfiles/default/Pipfile

@@ -11,7 +11,6 @@ name = "pypi"
 [dev-packages]
 lxml = "!=4.2.2"
 mock = "*"
-nodeenv = "*"
 NoseHTML = "*"
 pygithub3 = {version = "*", markers = "python_version < '3'"}
 pytest = "*"
@@ -33,6 +32,7 @@ PyYAML = "*"
 SQLAlchemy = "*"
 SQLAlchemy-Utils = "*"
 Mercurial = {version = "<=3.7.3", markers = "python_version < '3'"}
+nodeenv = "*"
 pycryptodome = "*"
 uWSGI = "*"
 pysam = "==0.14.1"

lib/galaxy/dependencies/pipfiles/default/pinned-dev-requirements.txt

@@ -17,7 +17,6 @@ lxml==4.2.4
 markupsafe==1.0
 mock==2.0.0
 more-itertools==4.3.0
-nodeenv==1.3.2
 nose==1.3.7
 nosehtml==0.4.5
 packaging==17.1

lib/galaxy/dependencies/pipfiles/default/pinned-requirements.txt

@@ -76,6 +76,7 @@ msrestazure==0.5.0
 munch==2.3.2
 netaddr==0.7.19
 netifaces==0.10.7
+nodeenv==1.3.2
 nose==1.3.7
 numpy==1.15.1
 oauthlib==2.1.0