[lint] Add tool to run pylint on all files

pylint all *.py files and fix the errors reported so far.

tests/test_config.py

@@ -1,3 +1,4 @@
+# pylint: disable=C0103,C0111
 import unittest
 
 from bumblebee.config import Config
@@ -5,24 +6,24 @@ from bumblebee.config import Config
 class TestConfig(unittest.TestCase):
     def setUp(self):
         self.defaultConfig = Config()
-        self.someSimpleModules = [ "foo", "bar", "baz" ]
-        self.someAliasModules = [ "foo:a", "bar:b", "baz:c" ]
+        self.someSimpleModules = ["foo", "bar", "baz"]
+        self.someAliasModules = ["foo:a", "bar:b", "baz:c"]
 
 
     def test_no_modules_by_default(self):
         self.assertEquals(self.defaultConfig.modules(), [])
 
     def test_load_simple_modules(self):
-        cfg = Config([ "-m" ] + self.someSimpleModules)
-        self.assertEquals(cfg.modules(), list(map(lambda x: {
+        cfg = Config(["-m"] + self.someSimpleModules)
+        self.assertEquals(cfg.modules(), [{
             "name": x, "module": x
-        }, self.someSimpleModules)))
+        } for x in self.someSimpleModules])
 
     def test_load_alias_modules(self):
-        cfg = Config([ "-m" ] + self.someAliasModules)
-        self.assertEquals(cfg.modules(), list(map(lambda x: {
+        cfg = Config(["-m"] + self.someAliasModules)
+        self.assertEquals(cfg.modules(), [{
             "module": x.split(":")[0],
-            "name": x.split(":")[1]
-        }, self.someAliasModules)))
+            "name": x.split(":")[1],
+        } for x in self.someAliasModules])
 
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