diff --git a/test/js2tests/__init__.py b/test/js2tests/__init__.py
index 30d55e92a..ecca434de 100644
--- a/test/js2tests/__init__.py
+++ b/test/js2tests/__init__.py
@@ -1,48 +1,50 @@
-"""
-This package contains templates for `test_jsinterp` and `test_interp_parse` to create test methods.
-These modules will create a test method for each module in this package. A test method consist of one or more subtest.
-Each subtest initializes an instance of the tested class and runs one or more assertion.
+# """
+# This package contains templates for `test_jsinterp` and `test_interp_parse` to create test methods.
+# These modules will create a test method for each module in this package. A test method consist of one or more subtest.
+# Each subtest initializes an instance of the tested class and runs one or more assertion.
+#
+# Any module should have a `list` of `dict` named ``tests`` and optionally a `dict` named ``skip``.
+# 
+# Each `dict` in ``tests`` may have the following keys:
+#
+#     code: If missing subtest is skipped, Otherwise it's value is used as code to initialize the tested class.
+#     globals: Optional. Used only by `test_jsinterp`. If set used as argument `variables` initializing `JSInterperter`.
+#     asserts: Used only by `test_jsinterp`. If this is missing subtest is skipped, Should be a list of `dict`, each used
+#              as an assertion for the initialized `JSInterpreter`. Each `dict` may have the following keys:
+#                 value: If missing assertion is skipped. Otherwise it's value is used as expected value in
+#                        an `assertEqual` call.
+#                 call: Optional. If set used as arguments of a `call_function` call of the initialized `JSInterpreter`
+#                       and the actual value of the created `assertEqual` call will be the return value of it.
+#                       Otherwise the actual value will be the return value of the `run` call.
+#     ast: Used only by `test_interp_parse`. If missing subtest is skipped, Otherwise it's value is used as
+#          expected value in an `assertEqual` call. The actual value will be the return value of the `parse` call
+#          converted to `list`. Both on expected anc actual value `traverse` is called first to flatten and handle `zip`
+#          objects.
+#
+# In the `dict` named ``skip`` is optional and may have the following keys:
+#     interpret
+#     parse
+# Both used as the argument of `skipTest` decorator of the created test method in `test_jsinterp`
+# and `test_jsinterp_parse` respectably. Unless they're value is `True`, that case the test method is skipped entirely,
+# or `False`, which is the default value.
+#
+# Example:
+#     This is not a functional template, rather a skeleton:
+#
+#         skip = {'interpret': 'Test not yet implemented',
+#                 'parse': 'Test not yet implemented'}
+#
+#         tests = [
+#             {
+#                 'code': '',
+#                 'globals': {},
+#                 'asserts': [{'value': 0, 'call': ('f',)}],
+#                 'ast': []
+#             }
+#         ]
+# """
 
-Any module should have a `list` of `dict` named ``tests`` and optionally a `dict` named ``skip``.
-
-Each `dict` in ``tests`` may have the following keys:
-
-    code: If missing subtest is skipped, Otherwise it's value is used as code to initialize the tested class.
-    globals: Optional. Used only by `test_jsinterp`. If set used as argument `variables` initializing `JSInterperter`.
-    asserts: Used only by `test_jsinterp`. If this is missing subtest is skipped, Should be a list of `dict`, each used
-             as an assertion for the initialized `JSInterpreter`. Each `dict` may have the following keys:
-                value: If missing assertion is skipped. Otherwise it's value is used as expected value in
-                       an `assertEqual` call.
-                call: Optional. If set used as arguments of a `call_function` call of the initialized `JSInterpreter`
-                      and the actual value of the created `assertEqual` call will be the return value of it.
-                      Otherwise the actual value will be the return value of the `run` call.
-    ast: Used only by `test_interp_parse`. If missing subtest is skipped, Otherwise it's value is used as
-         expected value in an `assertEqual` call. The actual value will be the return value of the `parse` call
-         converted to `list`. Both on expected anc actual value `traverse` is called first to flatten and handle `zip`
-         objects.
-
-In the `dict` named ``skip`` is optional and may have the following keys:
-    interpret
-    parse
-Both used as the argument of `skipTest` decorator of the created test method in `test_jsinterp`
-and `test_jsinterp_parse` respectably. Unless they're value is `True`, that case the test method is skipped entirely,
-or `False`, which is the default value.
-
-Example:
-    This is not a functional template, rather a skeleton:
-
-        skip = {'interpret': 'Test not yet implemented',
-                'parse': 'Test not yet implemented'}
-
-        tests = [
-            {
-                'code': '',
-                'globals': {},
-                'asserts': [{'value': 0, 'call': ('f',)}],
-                'ast': []
-            }
-        ]
-"""
+from __future__ import unicode_literals
 
 
 def gettestcases():
diff --git a/test/js2tests/array_access.py b/test/js2tests/array_access.py
index 72d089c15..3c933c916 100644
--- a/test/js2tests/array_access.py
+++ b/test/js2tests/array_access.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS
 
diff --git a/test/js2tests/assignments.py b/test/js2tests/assignments.py
index 1705f9e02..13783425a 100644
--- a/test/js2tests/assignments.py
+++ b/test/js2tests/assignments.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS, _ASSIGN_OPERATORS
 
diff --git a/test/js2tests/basic.py b/test/js2tests/basic.py
index c6790109b..97baf352b 100644
--- a/test/js2tests/basic.py
+++ b/test/js2tests/basic.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 tests = [
diff --git a/test/js2tests/branch.py b/test/js2tests/branch.py
index 6398f7d89..effa52740 100644
--- a/test/js2tests/branch.py
+++ b/test/js2tests/branch.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _RELATIONS
 
diff --git a/test/js2tests/calc.py b/test/js2tests/calc.py
index f987973eb..2289002d2 100644
--- a/test/js2tests/calc.py
+++ b/test/js2tests/calc.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS
 
diff --git a/test/js2tests/call.py b/test/js2tests/call.py
index 181c46fca..20078626b 100644
--- a/test/js2tests/call.py
+++ b/test/js2tests/call.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS
 
diff --git a/test/js2tests/comments.py b/test/js2tests/comments.py
index 729e769ac..9c81638ad 100644
--- a/test/js2tests/comments.py
+++ b/test/js2tests/comments.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS
 
diff --git a/test/js2tests/debug.py b/test/js2tests/debug.py
index aa81f8fd9..c2697db45 100644
--- a/test/js2tests/debug.py
+++ b/test/js2tests/debug.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 skip = {'interpret': 'Interpreting debugger statement not yet implemented',
diff --git a/test/js2tests/do_loop.py b/test/js2tests/do_loop.py
index 04d7e0d01..dadf6b393 100644
--- a/test/js2tests/do_loop.py
+++ b/test/js2tests/do_loop.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
diff --git a/test/js2tests/empty_return.py b/test/js2tests/empty_return.py
index 643c38e66..14c84cbe9 100644
--- a/test/js2tests/empty_return.py
+++ b/test/js2tests/empty_return.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 tests = [
diff --git a/test/js2tests/for_empty.py b/test/js2tests/for_empty.py
index ba90184fa..704e99592 100644
--- a/test/js2tests/for_empty.py
+++ b/test/js2tests/for_empty.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
diff --git a/test/js2tests/for_in.py b/test/js2tests/for_in.py
index b5c111a0e..2a99e470c 100644
--- a/test/js2tests/for_in.py
+++ b/test/js2tests/for_in.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS
 
diff --git a/test/js2tests/for_loop.py b/test/js2tests/for_loop.py
index 60cb03600..99b64148a 100644
--- a/test/js2tests/for_loop.py
+++ b/test/js2tests/for_loop.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
diff --git a/test/js2tests/func_expr.py b/test/js2tests/func_expr.py
index 68e6fa6eb..d88d8e823 100644
--- a/test/js2tests/func_expr.py
+++ b/test/js2tests/func_expr.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS
 
diff --git a/test/js2tests/getfield.py b/test/js2tests/getfield.py
index 3b63ce415..86fb79699 100644
--- a/test/js2tests/getfield.py
+++ b/test/js2tests/getfield.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 tests = [
diff --git a/test/js2tests/label.py b/test/js2tests/label.py
index 441abbba1..011ec9ed6 100644
--- a/test/js2tests/label.py
+++ b/test/js2tests/label.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 skip = {'interpret': 'Interpreting label not yet implemented',
diff --git a/test/js2tests/morespace.py b/test/js2tests/morespace.py
index 2a18235b8..850a27b73 100644
--- a/test/js2tests/morespace.py
+++ b/test/js2tests/morespace.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS
 
diff --git a/test/js2tests/object_literal.py b/test/js2tests/object_literal.py
index ce651eb32..b486591ef 100644
--- a/test/js2tests/object_literal.py
+++ b/test/js2tests/object_literal.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _OPERATORS
 
diff --git a/test/js2tests/operators.py b/test/js2tests/operators.py
index 757cef523..f54c8a5f5 100644
--- a/test/js2tests/operators.py
+++ b/test/js2tests/operators.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS
 
diff --git a/test/js2tests/parens.py b/test/js2tests/parens.py
index fe433a09b..2f59f661c 100644
--- a/test/js2tests/parens.py
+++ b/test/js2tests/parens.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS
 
diff --git a/test/js2tests/precedence.py b/test/js2tests/precedence.py
index 47a80fd28..094fc201c 100644
--- a/test/js2tests/precedence.py
+++ b/test/js2tests/precedence.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _OPERATORS
 
diff --git a/test/js2tests/strange_chars.py b/test/js2tests/strange_chars.py
index 3d3c9b1ad..1ad397782 100644
--- a/test/js2tests/strange_chars.py
+++ b/test/js2tests/strange_chars.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _OPERATORS
 
diff --git a/test/js2tests/switch.py b/test/js2tests/switch.py
index 66fed25a9..7d38e5261 100644
--- a/test/js2tests/switch.py
+++ b/test/js2tests/switch.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS
 
diff --git a/test/js2tests/try_statement.py b/test/js2tests/try_statement.py
index 8e93ee398..b3596a7c6 100644
--- a/test/js2tests/try_statement.py
+++ b/test/js2tests/try_statement.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 skip = {'interpret': 'Interpreting try statement not yet implemented',
diff --git a/test/js2tests/unary.py b/test/js2tests/unary.py
index 4d7c16774..a5d4ce3eb 100644
--- a/test/js2tests/unary.py
+++ b/test/js2tests/unary.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 
 skip = {'parse': True}
 
diff --git a/test/js2tests/unshift.py b/test/js2tests/unshift.py
index 02ab96874..13f4f07fc 100644
--- a/test/js2tests/unshift.py
+++ b/test/js2tests/unshift.py
@@ -1,3 +1,4 @@
+from __future__ import unicode_literals
 
 tests = [
     {
diff --git a/test/js2tests/while_loop.py b/test/js2tests/while_loop.py
index 39078a11b..0ce17a18e 100644
--- a/test/js2tests/while_loop.py
+++ b/test/js2tests/while_loop.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
diff --git a/test/js2tests/with_statement.py b/test/js2tests/with_statement.py
index 84ed25069..5336b4a76 100644
--- a/test/js2tests/with_statement.py
+++ b/test/js2tests/with_statement.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from youtube_dl.jsinterp2.jsgrammar import Token
 
 skip = {'interpret': 'Interpreting with statement not yet implemented',
diff --git a/test/test_jsinterp.py b/test/test_jsinterp.py
index 81a401c53..078075065 100644
--- a/test/test_jsinterp.py
+++ b/test/test_jsinterp.py
@@ -1,8 +1,8 @@
 #!/usr/bin/env python
 
-"""
-see: `js2tests`
-"""
+# """
+# see: `js2tests`
+# """
 
 from __future__ import unicode_literals
 
diff --git a/test/test_jsinterp_parse.py b/test/test_jsinterp_parse.py
index d87537b2c..4fee2cbc6 100644
--- a/test/test_jsinterp_parse.py
+++ b/test/test_jsinterp_parse.py
@@ -1,8 +1,8 @@
 #!/usr/bin/env python
 
-"""
-see: `js2tests`
-"""
+# """
+# see: `js2tests`
+# """
 
 from __future__ import unicode_literals
 
diff --git a/youtube_dl/jsinterp2/__init__.py b/youtube_dl/jsinterp2/__init__.py
index 61096d6aa..d7500a3f3 100644
--- a/youtube_dl/jsinterp2/__init__.py
+++ b/youtube_dl/jsinterp2/__init__.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 from .jsinterp import JSInterpreter
 
 __all__ = ['JSInterpreter']