Roll recipe_modules to current ToT

Change-Id: I2c1ed7e0cf52df15cf12141e2bf3654b7b2fba7f
diff --git a/infra/config/recipes.cfg b/infra/config/recipes.cfg
index 8662aa3..ee058bc 100644
--- a/infra/config/recipes.cfg
+++ b/infra/config/recipes.cfg
@@ -5,5 +5,5 @@
   project_id: "recipe_engine"
   url: "https://chromium.googlesource.com/external/github.com/luci/recipes-py.git"
   branch: "master"
-  revision: "799034e5ee1634cf2d88b0a666e0d8ca934cd895"
+  revision: "63c1741d42b2e5e77af929cbdf7f69c03f35b627"
 }
diff --git a/recipe_modules/paths/config.py b/recipe_modules/paths/config.py
index 60fbd1c..aeefa8e 100644
--- a/recipe_modules/paths/config.py
+++ b/recipe_modules/paths/config.py
@@ -13,6 +13,6 @@
 
 @CONFIG_CTX(includes=['common'])
 def swarmbucket(c):
-    c.base_paths['root'] = c.CURRENT_WORKING_DIR[:-4]
-    c.base_paths['slave_build'] = c.CURRENT_WORKING_DIR
+    c.base_paths['root'] = c.START_DIR[:-4]
+    c.base_paths['slave_build'] = c.START_DIR
     c.base_paths['cache'] = c.base_paths['root'] + ('cache',)