Make Element.depends use mandatory keyword args

Since the 'recurse' arg is a boolean, using it as an argument without a
keyword is likely to cause confusion.

1 files changed, 1 insertions, 1 deletions

diff --git a/buildstream/element.py b/buildstream/element.py
index 97a336f9a..c94ba0a31 100644
--- a/buildstream/element.py
+++ b/buildstream/element.py
@@ -177,7 +177,7 @@ class Element(Plugin):
         for source in self.__sources:
             yield source
 
-    def dependencies(self, scope, recurse=True, visited=None, recursed=False):
+    def dependencies(self, scope, *, recurse=True, visited=None, recursed=False):
         """dependencies(scope, recurse=True)
 
         A generator function which yields the dependencies of the given element.