click in requirements.txt!

requirements.txt

@@ -3,6 +3,7 @@ backcall==0.2.0
 bleach==3.1.5
 certifi==2020.6.20
 chardet==3.0.4
+click==7.1.2
 decorator==4.4.2
 defusedxml==0.6.0
 entrypoints==0.3
@@ -71,4 +72,3 @@ webencodings==0.5.1
 widgetsnbextension==3.5.1
 xlrd==1.2.0
 zipp==3.1.0
-openpyxl==3.0.4
\ No newline at end of file