fix bug in issue ctbs when account no longer on github

DESCRIPTION

@@ -1,6 +1,6 @@
 Package: allcontributors
 Title: Acknowledge all Contributors to a Project
-Version: 0.1.0.037
+Version: 0.1.0.038
 Authors@R: 
     person("Mark", "Padgham", , "[email protected]", role = c("aut", "cre"))
 Description: Acknowledge all contributors to a project via a single

R/github.R

@@ -308,11 +308,17 @@ get_gh_issue_people <- function (org, repo,
         )
         issue_authors <- c (
             issue_authors,
-            vapply (dat, function (i) i$node$author$login, character (1L))
+            vapply (dat, function (i) {
+                res <- i$node$author$login
+                ifelse (is.null (res), NA_character_, res)
+            }, character (1L))
         )
         issue_author_avatar <- c (
             issue_author_avatar,
-            vapply (dat, function (i) i$node$author$avatarUrl, character (1L))
+            vapply (dat, function (i) {
+                res <- i$node$author$avatarUrl
+                ifelse (is.null (res), NA_character_, res)
+            }, character (1L))
         )
         issue_state_reason <- c (
             issue_state_reason,

codemeta.json

@@ -7,7 +7,7 @@
   "codeRepository": "https://github.com/ropenscilabs/allcontributors",
   "issueTracker": "https://github.com/ropenscilabs/allcontributors/issues",
   "license": "https://spdx.org/licenses/GPL-3.0",
-  "version": "0.1.0.037",
+  "version": "0.1.0.038",
   "programmingLanguage": {
     "@type": "ComputerLanguage",
     "name": "R",