style: remove multiple statement on a single line

This is similar to the change made in 5326e4ef1dab.

Differential Revision: https://phab.mercurial-scm.org/D1832

hgext/convert/git.py

@@ -342,13 +342,15 b' class convert_git(common.converter_sourc'
                 p = v.split()
                 tm, tz = p[-2:]
                 author = " ".join(p[:-2])
-                if author[0] == "<": author = author[1:-1]
+                if author[0] == "<":
+                    author = author[1:-1]
                 author = self.recode(author)
             if n == "committer":
                 p = v.split()
                 tm, tz = p[-2:]
                 committer = " ".join(p[:-2])
-                if committer[0] == "<": committer = committer[1:-1]
+                if committer[0] == "<":
+                    committer = committer[1:-1]
                 committer = self.recode(committer)
             if n == "parent":
                 parents.append(v)