diff --git a/dvc/output/base.py b/dvc/output/base.py
index ee69e30bc..536b4950c 100644
--- a/dvc/output/base.py
+++ b/dvc/output/base.py
@@ -405,7 +405,7 @@ class OutputBase(object):
 
         if self.stage.is_repo_import:
             cache = NamedCache()
-            dep, = self.stage.deps
+            (dep,) = self.stage.deps
             cache.external[dep.repo_pair].add(dep.def_path)
             return cache
 
diff --git a/dvc/repo/__init__.py b/dvc/repo/__init__.py
index 9d0a506a8..bc90b89e7 100644
--- a/dvc/repo/__init__.py
+++ b/dvc/repo/__init__.py
@@ -205,7 +205,7 @@ class Repo(object):
             return [(stage, None) for stage in self.stages]
 
         try:
-            out, = self.find_outs_by_path(target, strict=False)
+            (out,) = self.find_outs_by_path(target, strict=False)
             filter_info = PathInfo(os.path.abspath(target))
             return [(out.stage, filter_info)]
         except OutputNotFoundError:
@@ -419,7 +419,7 @@ class Repo(object):
 
     def find_out_by_relpath(self, relpath):
         path = os.path.join(self.root_dir, relpath)
-        out, = self.find_outs_by_path(path)
+        (out,) = self.find_outs_by_path(path)
         return out
 
     def is_dvc_internal(self, path):
diff --git a/dvc/repo/get_url.py b/dvc/repo/get_url.py
index fbc173b64..5718b20ec 100644
--- a/dvc/repo/get_url.py
+++ b/dvc/repo/get_url.py
@@ -14,6 +14,6 @@ def get_url(url, out=None):
 
     out = os.path.abspath(out)
 
-    dep, = dependency.loads_from(None, [url])
-    out, = output.loads_from(None, [out], use_cache=False)
+    (dep,) = dependency.loads_from(None, [url])
+    (out,) = output.loads_from(None, [out], use_cache=False)
     dep.download(out)