[setup] Pin click>=7 and fixes #9

conda/meta.yaml

@@ -31,7 +31,7 @@ requirements:
   run:
     - python
     - setuptools
-    - click
+    - click >=7
     - click-plugins
     - conda=4
     - conda-build=3

setup.py

@@ -7,9 +7,9 @@ version = open("version.txt").read().rstrip()
 
 requires = [
     'setuptools',
-    'click',
+    'click>=7.0.0',
     'click-plugins',
-    'conda-build',
+    'conda-build>=3.0.0',
     'certifi',
     'requests',
     'gitpython',