diff --git a/plugins/github.js b/plugins/github.js
index 6c94e9e..1f459b0 100644
--- a/plugins/github.js
+++ b/plugins/github.js
@@ -17,63 +17,63 @@ var plugin = new Plugin(100, 'github', '2018.11.18',
 
 var ctx = {};
 
-plugin.submitProblem = function(problem, cb) {
-  // TODO: unify error handling
-  if (!plugin.config.repo)
-    return log.error('GitHub repo not configured correctly! (plugins:github:repo)');
-  if (!plugin.config.token)
-    return log.error('GitHub token not configured correctly! (plugins:github:token)');
-
-  var parts = url.parse(plugin.config.repo).pathname.split('/');
-  var filename = path.basename(problem.file);
-  parts.push(filename);
-
-  if (parts[0] === '') parts.shift();
-  ctx.owner = parts.shift();
-  ctx.repo = parts.shift();
-  ctx.path = parts.join('/');
-
-  var GitHubApi = require('github');
-  var github = new GitHubApi({host: 'api.github.com'});
-  github.authenticate({type: 'token', token: plugin.config.token});
-
-  plugin.next.submitProblem(problem, function(_e, results) {
-    cb(_e, results);
-    if (_e || !results[0].ok) return;
-
-    log.debug('running github.getContent: ' + filename);
-    github.repos.getContent(ctx, function(e, res) {
-      if (e && e.code !== 404) {
-        return log.info('  ' + h.prettyText(' ' + e.message, false));
-      }
-
-      ctx.message = 'update ' + filename;
-      ctx.content = new Buffer(file.data(problem.file)).toString('base64');
-
-      var onFileDone = function(e, res) {
-        if (e)
-          return log.info('  ' + h.prettyText(' ' + e.message, false));
-
-        log.debug(res.meta.status);
-        log.debug('updated current file version = ' + res.data.content.sha);
-        log.debug('updated current commit = ' + res.data.commit.sha);
-        log.info('  ' + h.prettyText(' Committed to ' + plugin.config.repo, true));
-      };
-
-      if (e) {
-        log.debug('no previous file version found');
-
-        log.debug('running github.createFile');
-        github.repos.createFile(ctx, onFileDone);
-      } else {
-        ctx.sha = res.data.sha;
-        log.debug('found previous file version = ' + ctx.sha);
-
-        log.debug('running github.updateFile');
-        github.repos.updateFile(ctx, onFileDone);
-      }
+plugin.submitProblem = function (problem, cb) {
+    // TODO: unify error handling
+    if (!plugin.config.repo)
+        return log.error('GitHub repo not configured correctly! (plugins:github:repo)');
+    if (!plugin.config.token)
+        return log.error('GitHub token not configured correctly! (plugins:github:token)');
+
+    var parts = url.parse(plugin.config.repo).pathname.split('/');
+    var filename = path.basename(problem.file);
+    parts.push(filename);
+
+    if (parts[0] === '') parts.shift();
+    ctx.owner = parts.shift();
+    ctx.repo = parts.shift();
+    ctx.path = parts.join('/');
+
+    var GitHubApi = require('github');
+    var github = new GitHubApi({host: 'api.github.com'});
+    github.authenticate({type: 'token', token: plugin.config.token});
+
+    plugin.next.submitProblem(problem, function (_e, results) {
+        cb(_e, results);
+        if (_e || !results[0].ok) return;
+
+        log.debug('running github.getContent: ' + filename);
+        github.repos.getContent(ctx, function (e, res) {
+            if (e && e.code !== 404) {
+                return log.info('  ' + h.prettyText(' ' + e.message, false));
+            }
+
+            ctx.message = 'update ' + filename;
+            ctx.content = new Buffer(file.data(problem.file)).toString('base64');
+
+            var onFileDone = function (e, res) {
+                if (e)
+                    return log.info('  ' + h.prettyText(' ' + e.message, false));
+                // Fixed Undefined Error
+                log.debug(res.meta.status + '');
+                log.debug('updated current file version = ' + res.data.content.sha);
+                log.debug('updated current commit = ' + res.data.commit.sha);
+                log.info('  ' + h.prettyText(' Committed to ' + plugin.config.repo, true));
+            };
+
+            if (e) {
+                log.debug('no previous file version found');
+
+                log.debug('running github.createFile');
+                github.repos.createFile(ctx, onFileDone);
+            } else {
+                ctx.sha = res.data.sha;
+                log.debug('found previous file version = ' + ctx.sha);
+
+                log.debug('running github.updateFile');
+                github.repos.updateFile(ctx, onFileDone);
+            }
+        });
     });
-  });
 };
 
 module.exports = plugin;