diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index a2c5d11fe..d27f67a26 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 -   repo: https://github.com/ambv/black
-    rev: 19.3b0
+    rev: 19.10b0
     hooks:
     - id: black
       language_version: python3
diff --git a/.restyled.yaml b/.restyled.yaml
index d5eeec715..245d33d2c 100644
--- a/.restyled.yaml
+++ b/.restyled.yaml
@@ -1,7 +1,7 @@
 ---
 restylers:
   - name: black
-    image: restyled/restyler-black:v19.3b0
+    image: restyled/restyler-black:v19.10b0
     command:
     - black
     arguments: []
diff --git a/setup.py b/setup.py
index 40b3b16c5..f4e6ba825 100644
--- a/setup.py
+++ b/setup.py
@@ -125,7 +125,7 @@ tests_requirements = [
 ]
 
 if (sys.version_info) >= (3, 6):
-    tests_requirements.append("black==19.3b0")
+    tests_requirements.append("black==19.10b0")
 
 setup(
     name="dvc",
diff --git a/tests/func/remote/test_local.py b/tests/func/remote/test_local.py
index a6af649a7..cc0f7ded1 100644
--- a/tests/func/remote/test_local.py
+++ b/tests/func/remote/test_local.py
@@ -8,7 +8,7 @@ from tests.utils import trees_equal
 
 
 def test_dont_fail_on_unpacked_create_fail(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
+    (stage,) = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
 
     with mock.patch.object(
         RemoteLOCAL, "_create_unpacked_dir", side_effect=DvcException("msg")
@@ -18,7 +18,7 @@ def test_dont_fail_on_unpacked_create_fail(tmp_dir, dvc):
 
 
 def test_remove_unpacked_on_create_fail(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
+    (stage,) = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
     unpacked_dir = stage.outs[0].cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
 
     # artificial unpacked dir for test purpose
@@ -34,7 +34,7 @@ def test_remove_unpacked_on_create_fail(tmp_dir, dvc):
 
 
 def test_create_unpacked_on_status(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
+    (stage,) = tmp_dir.dvc_gen({"dir": {"file": "file_content"}})
     unpacked_dir = stage.outs[0].cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
     assert not os.path.exists(unpacked_dir)
 
@@ -45,7 +45,7 @@ def test_create_unpacked_on_status(tmp_dir, dvc):
 
 
 def test_dir_cache_changed_on_single_cache_file_modification(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen(
+    (stage,) = tmp_dir.dvc_gen(
         {"dir": {"file1": "file1 content", "file2": "file2 content"}}
     )
     unpacked_dir = stage.outs[0].cache_path + RemoteLOCAL.UNPACKED_DIR_SUFFIX
diff --git a/tests/func/test_add.py b/tests/func/test_add.py
index 002722f52..8e88e43a2 100644
--- a/tests/func/test_add.py
+++ b/tests/func/test_add.py
@@ -31,7 +31,7 @@ from tests.utils import get_gitignore_content
 
 
 def test_add(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen({"foo": "foo"})
+    (stage,) = tmp_dir.dvc_gen({"foo": "foo"})
     md5, _ = file_md5("foo")
 
     assert stage is not None
@@ -49,7 +49,7 @@ def test_add_unicode(tmp_dir, dvc):
     with open("\xe1", "wb") as fd:
         fd.write("something".encode("utf-8"))
 
-    stage, = dvc.add("\xe1")
+    (stage,) = dvc.add("\xe1")
 
     assert os.path.isfile(stage.path)
 
@@ -60,7 +60,7 @@ def test_add_unsupported_file(dvc):
 
 
 def test_add_directory(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen({"dir": {"file": "file"}})
+    (stage,) = tmp_dir.dvc_gen({"dir": {"file": "file"}})
 
     assert stage is not None
     assert len(stage.deps) == 0
@@ -161,7 +161,7 @@ def test_add_file_in_dir(tmp_dir, dvc):
     tmp_dir.gen({"dir": {"subdir": {"subdata": "subdata content"}}})
     subdir_path = os.path.join("dir", "subdir", "subdata")
 
-    stage, = dvc.add(subdir_path)
+    (stage,) = dvc.add(subdir_path)
 
     assert stage is not None
     assert len(stage.deps) == 0
@@ -549,7 +549,7 @@ def test_windows_should_add_when_cache_on_different_drive(
     dvc.config.set("cache", "dir", temporary_windows_drive)
     dvc.cache = Cache(dvc)
 
-    stage, = tmp_dir.dvc_gen({"file": "file"})
+    (stage,) = tmp_dir.dvc_gen({"file": "file"})
     cache_path = stage.outs[0].cache_path
 
     assert path_isin(cache_path, temporary_windows_drive)
diff --git a/tests/func/test_commit.py b/tests/func/test_commit.py
index 51b595d16..8cd254553 100644
--- a/tests/func/test_commit.py
+++ b/tests/func/test_commit.py
@@ -18,7 +18,7 @@ def test_commit_recursive(tmp_dir, dvc):
 
 def test_commit_force(tmp_dir, dvc):
     tmp_dir.gen({"dir": {"file": "text1", "file2": "text2"}})
-    stage, = dvc.add("dir", no_commit=True)
+    (stage,) = dvc.add("dir", no_commit=True)
 
     with dvc.state:
         assert stage.outs[0].changed_cache()
@@ -40,7 +40,7 @@ def test_commit_force(tmp_dir, dvc):
 
 def test_commit_with_deps(tmp_dir, dvc, run_copy):
     tmp_dir.gen("foo", "foo")
-    foo_stage, = dvc.add("foo", no_commit=True)
+    (foo_stage,) = dvc.add("foo", no_commit=True)
     assert foo_stage is not None
     assert len(foo_stage.outs) == 1
 
@@ -60,7 +60,7 @@ def test_commit_with_deps(tmp_dir, dvc, run_copy):
 
 def test_commit_changed_md5(tmp_dir, dvc):
     tmp_dir.gen({"file": "file content"})
-    stage, = dvc.add("file", no_commit=True)
+    (stage,) = dvc.add("file", no_commit=True)
 
     stage_file_content = load_stage_file(stage.path)
     stage_file_content["md5"] = "1111111111"
diff --git a/tests/func/test_gc.py b/tests/func/test_gc.py
index 41c4f2204..f1aa4012a 100644
--- a/tests/func/test_gc.py
+++ b/tests/func/test_gc.py
@@ -191,7 +191,7 @@ def test_all_commits(tmp_dir, scm, dvc):
 
 def test_gc_no_dir_cache(tmp_dir, dvc):
     tmp_dir.dvc_gen({"foo": "foo", "bar": "bar"})
-    dir_stage, = tmp_dir.dvc_gen({"dir": {"x": "x", "subdir": {"y": "y"}}})
+    (dir_stage,) = tmp_dir.dvc_gen({"dir": {"x": "x", "subdir": {"y": "y"}}})
 
     os.unlink(dir_stage.outs[0].cache_path)
 
diff --git a/tests/func/test_stage.py b/tests/func/test_stage.py
index bbfc7a765..ce4991fd8 100644
--- a/tests/func/test_stage.py
+++ b/tests/func/test_stage.py
@@ -155,7 +155,7 @@ class TestExternalRemoteResolution(TestDvc):
 
 
 def test_md5_ignores_comments(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen("foo", "foo content")
+    (stage,) = tmp_dir.dvc_gen("foo", "foo content")
 
     with open(stage.path, "a") as f:
         f.write("# End comment\n")
@@ -165,7 +165,7 @@ def test_md5_ignores_comments(tmp_dir, dvc):
 
 
 def test_meta_is_preserved(tmp_dir, dvc):
-    stage, = tmp_dir.dvc_gen("foo", "foo content")
+    (stage,) = tmp_dir.dvc_gen("foo", "foo content")
 
     # Add meta to DVC-file
     data = load_stage_file(stage.path)
diff --git a/tests/func/test_status.py b/tests/func/test_status.py
index 35b66aa51..a34a355f3 100644
--- a/tests/func/test_status.py
+++ b/tests/func/test_status.py
@@ -37,7 +37,7 @@ def test_status_non_dvc_repo_import(tmp_dir, dvc, git_dir):
     with git_dir.branch("branch", new=False):
         git_dir.scm_gen("file", "second version", commit="update file")
 
-    status, = dvc.status(["file.dvc"])["file.dvc"]
+    (status,) = dvc.status(["file.dvc"])["file.dvc"]
     assert status == {
         "changed deps": {"file ({})".format(git_dir): "update available"}
     }
@@ -60,7 +60,7 @@ def test_status_before_and_after_dvc_init(tmp_dir, dvc, git_dir):
 
     assert old_rev != new_rev
 
-    status, = dvc.status(["file.dvc"])["file.dvc"]
+    (status,) = dvc.status(["file.dvc"])["file.dvc"]
     assert status == {
         "changed deps": {
             "file ({})".format(fspath(git_dir)): "update available"
diff --git a/tests/func/test_update.py b/tests/func/test_update.py
index e2c68de40..54a5bacbf 100644
--- a/tests/func/test_update.py
+++ b/tests/func/test_update.py
@@ -59,8 +59,8 @@ def test_update_import_after_remote_updates_to_dvc(tmp_dir, dvc, erepo_dir):
 
     assert old_rev != new_rev
 
-    status, = dvc.status([stage.path])["version.dvc"]
-    changed_dep, = list(status["changed deps"].items())
+    (status,) = dvc.status([stage.path])["version.dvc"]
+    (changed_dep,) = list(status["changed deps"].items())
     assert changed_dep[0].startswith("version ")
     assert changed_dep[1] == "update available"
 
diff --git a/tests/unit/repo/test_repo.py b/tests/unit/repo/test_repo.py
index 7b515d5c3..d544da793 100644
--- a/tests/unit/repo/test_repo.py
+++ b/tests/unit/repo/test_repo.py
@@ -17,7 +17,7 @@ def test_is_dvc_internal(dvc):
     ],
 )
 def test_find_outs_by_path(tmp_dir, dvc, path):
-    stage, = tmp_dir.dvc_gen(
+    (stage,) = tmp_dir.dvc_gen(
         {"dir": {"subdir": {"file": "file"}, "other": "other"}}
     )
 
diff --git a/tests/unit/repo/test_reproduce.py b/tests/unit/repo/test_reproduce.py
index aef2a3bd2..2b49273ed 100644
--- a/tests/unit/repo/test_reproduce.py
+++ b/tests/unit/repo/test_reproduce.py
@@ -2,7 +2,7 @@ from dvc.repo.reproduce import _get_active_graph
 
 
 def test_get_active_graph(tmp_dir, dvc):
-    pre_foo_stage, = tmp_dir.dvc_gen({"pre-foo": "pre-foo"})
+    (pre_foo_stage,) = tmp_dir.dvc_gen({"pre-foo": "pre-foo"})
     foo_stage = dvc.run(deps=["pre-foo"], outs=["foo"], cmd="echo foo > foo")
     bar_stage = dvc.run(deps=["foo"], outs=["bar"], cmd="echo bar > bar")
     baz_stage = dvc.run(deps=["foo"], outs=["baz"], cmd="echo baz > baz")