fix requirements (#2014)

alixhami · web-flow · commit 1980f3182810 · 2019-02-13T12:55:49.000-08:00
diff --git a/bigquery/datalab-migration/requirements.txt b/bigquery/datalab-migration/requirements.txt
@@ -1,5 +1,5 @@
 google-cloud-bigquery[pandas,pyarrow]==1.8.1
 datalab==1.1.4
-ipython==7.2.0; python_version > '2.7'
-ipython==5.5; python_version == '2.7'
-google-cloud-monitoring==0.28.1
+ipython==7.2.0; python_version > "2.7"
+ipython<=5.5; python_version == "2.7"
+google-cloud-monitoring<=0.28.1
