Fix flake8 errors in tests

Signed-off-by: Julien Danjou <julien@danjou.info>

tests/__init__.py

@@ -1,6 +1,6 @@
 #
 
 
-import hy
-from .native_tests.math import *
-from .native_tests.language import *
+import hy  # noqa
+from .native_tests.math import *  # noqa
+from .native_tests.language import *  # noqa

tests/importer/test_importer.py

@@ -4,7 +4,7 @@ import ast
 
 def test_basics():
     "Make sure the basics of the importer work"
-    module = import_file_to_module("basic",
+    import_file_to_module("basic",
                           "tests/resources/importer/basic.hy")
 
 

tests/lex/test_lex.py

@@ -32,13 +32,13 @@ from hy.lex import tokenize
 def test_lex_exception():
     """ Ensure tokenize throws a fit on a partial input """
     try:
-        objs = tokenize("(foo")
+        tokenize("(foo")
         assert True is False
     except LexException:
         pass
 
     try:
-        objs = tokenize("&foo&")
+        tokenize("&foo&")
         assert True is False
     except LexException:
         pass

tests/macros/test_macro_processor.py

@@ -2,9 +2,7 @@
 from hy.macros import macro, process
 from hy.lex import tokenize
 
-from hy.models.expression import HyExpression
 from hy.models.string import HyString
-from hy.models.symbol import HySymbol
 from hy.models.list import HyList