Fix indentation style

pygit2/repository.py

@@ -381,12 +381,12 @@ class Repository(_Repository):
             try:
                 obj = obj.peel(Blob)
             except Exception:
-              # And if that failed, try to get a tree, raising a type
+                # And if that failed, try to get a tree, raising a type
-              # error if that still doesn't work
+                # error if that still doesn't work
-              try:
+                try:
-                  obj = obj.peel(Tree)
+                    obj = obj.peel(Tree)
-              except Exception:
+                except Exception:
-                  raise TypeError('unexpected "%s"' % type(obj))
+                    raise TypeError('unexpected "%s"' % type(obj))
 
             return obj