diff --git a/facebook_business/bootstrap.py b/facebook_business/bootstrap.py
index dcee96b6..1810f881 100644
--- a/facebook_business/bootstrap.py
+++ b/facebook_business/bootstrap.py
@@ -41,9 +41,8 @@ def is_authenticated(cls):
 
     @classmethod
     def load_config(cls):
-        config_file = open(os.path.join(repo_dir, 'config.json'))
-        config = json.load(config_file)
-        config_file.close()
+        with open(os.path.join(repo_dir, 'config.json')) as config_file:
+            config = json.load(config_file)
         return config
 
     @classmethod
diff --git a/facebook_business/crashreporter.py b/facebook_business/crashreporter.py
index 8ae01a10..8884b2ff 100644
--- a/facebook_business/crashreporter.py
+++ b/facebook_business/crashreporter.py
@@ -34,7 +34,7 @@ def __init__(self, app_id, excepthook):
 
     @classmethod
     def enable(cls):
-        if cls.reporter_instance == None:
+        if cls.reporter_instance is None:
             api = FacebookAdsApi.get_default_api()
             cls.reporter_instance = cls(api._session.app_id, sys.excepthook)
             sys.excepthook = cls.reporter_instance.__exception_handler
@@ -50,7 +50,7 @@ def disable(cls):
 
     @classmethod
     def enableLogging(cls):
-        if cls.logger == None:
+        if cls.logger is None:
             logging.basicConfig()
             cls.logger = logging.getLogger(__name__)
             cls.logger.setLevel(logging.INFO)
diff --git a/facebook_business/typechecker.py b/facebook_business/typechecker.py
index 56a17d76..12edd1dd 100644
--- a/facebook_business/typechecker.py
+++ b/facebook_business/typechecker.py
@@ -37,9 +37,7 @@ def convert_string_to_prim_type(self, primitive_type, value):
         elif primitive_type in ("unsigned int", "int"):
             return int(value)
         elif primitive_type == "bool":
-            if value in ("false", "0", "null"):
-                return False
-            return True
+            return value not in ("false", "0", "null")
         elif primitive_type == "float":
             return float(value)
         elif primitive_type == "datetime":
@@ -98,15 +96,15 @@ def is_type(self, value_type, value, allow_dict_as_obj=True):
             if not isinstance(value, list):
                 return False
             sub_type = self.get_type_from_collection(value_type, 'list')[0]
-            return all([self.is_type(sub_type, item) for item in value])
+            return all(self.is_type(sub_type, item) for item in value)
         if self.is_type_collection(value_type, 'map'):
             if not isinstance(value, dict):
                 return False
             sub_types = self.get_type_from_collection(value_type, 'map')
             sub_type_key = sub_types[0]
             sub_type_value = sub_types[1]
-            return all([self.is_type(sub_type_key, k) and
-                self.is_type(sub_type_value, v) for k, v in value.items()])
+            return all(self.is_type(sub_type_key, k) and
+                self.is_type(sub_type_value, v) for k, v in value.items())
 
         if (type(value).__name__ == value_type or
                     hasattr(value, '_is' + value_type)):
@@ -164,11 +162,13 @@ def get_typed_value(self, key, value):
             else:
                 sub_type_key = 'string'
                 sub_type_value = sub_types[0]
-            typed_value = dict(
-                (self.get_typed_value(sub_type_key, k),
-                self.get_typed_value(sub_type_value, v))
+            typed_value = {
+                self.get_typed_value(sub_type_key, k): self.get_typed_value(
+                    sub_type_value, v
+                )
                 for (k, v) in value.items()
-            )
+            }
+
         elif isinstance(value, dict):
             try:
                 typed_value = self._create_field_object(field_type, value)