MyPy thinks 'Link' is optional

jean · jean · commit a5c53fa0605a · 2020-02-24T22:18:21.000+07:00
MyPy thinks 'Link' is optional, although we know that if there was a
'next' link there will be a 'prev' link.
diff --git a/src/labels/github.py b/src/labels/github.py
@@ -81,7 +81,7 @@ def list_labels(self, repo: Repository) -> typing.List[Label]:
                     headers={"Accept": "application/vnd.github.symmetra-preview+json"},
             )
             json.extend(response.json())
-            link_header = response.headers.get('Link')
+            link_header = response.headers.get('Link', '')
             next_page = [l for l in link_header.split(',') if 'rel="next"' in l]
 
         if response.status_code != 200:

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ def list_labels(self, repo: Repository) -> typing.List[Label]:`
`81`	`81`	`headers={"Accept": "application/vnd.github.symmetra-preview+json"},`
`82`	`82`	`)`
`83`	`83`	`json.extend(response.json())`
`84`		`- link_header = response.headers.get('Link')`
	`84`	`+ link_header = response.headers.get('Link', '')`
`85`	`85`	`next_page = [l for l in link_header.split(',') if 'rel="next"' in l]`
`86`	`86`
`87`	`87`	`if response.status_code != 200:`