Fixed issue in patching config file to update repo. If the repo was on the

last line and the file had no new line at the end, the repo would become
`psij-pytho`.

Author: hategan

tests/ci_runner.py

@@ -175,7 +175,10 @@ def patch_file(file_name: str) -> None:
                         # when invoking a subprocess, bash stores the location where
                         # it's supposed to continue parsing from, so it's a good idea
                         # to to not move things around
-                        line = line.replace(OLD_REPO, NEW_REPO)[:-1] + ' \n'
+                        if line[-1] == '\n':
+                            # It could be that this is the last line and missing a new line
+                            line = line[:-1]
+                        line = line.replace(OLD_REPO, NEW_REPO) + ' \n'
                     outf.write(line)
         os.chmod(file_name + '._new_', os.stat(file_name).st_mode)
         os.rename(file_name + '._new_', file_name)