diff --git a/resources/lib/dropbox/oauth.py b/resources/lib/dropbox/oauth.py
index c51f870..be46b40 100644
--- a/resources/lib/dropbox/oauth.py
+++ b/resources/lib/dropbox/oauth.py
@@ -511,5 +511,9 @@ def _params_to_urlencoded(params):
             else:
                 return str(o).encode('utf-8')
 
-    utf8_params = {encode(k): encode(v) for k, v in six.iteritems(params)}
+    #fix for python 2.6
+    utf8_params = {}
+    for k,v in six.iteritems(params):
+        utf8_params[encode(k)] = encode(v)
+
     return url_encode(utf8_params)
diff --git a/resources/lib/dropbox/stone_serializers.py b/resources/lib/dropbox/stone_serializers.py
index e4be3fa..3fe68b1 100644
--- a/resources/lib/dropbox/stone_serializers.py
+++ b/resources/lib/dropbox/stone_serializers.py
@@ -237,11 +237,12 @@ class StoneToPythonPrimitiveSerializer(StoneSerializerBase):
     def encode_map(self, validator, value):
         validated_value = validator.validate(value)
 
-        return {
-            self.encode_sub(validator.key_validator, key):
-                self.encode_sub(validator.value_validator, value) for
-            key, value in validated_value.items()
-        }
+        #fix for python 2.6
+        result = {}
+        for key, value in validated_value.items():
+            result[self.encode_sub(validator.key_validator,key)] = self.encode_sub(validator.value_validator, value)
+
+        return result
 
     def encode_nullable(self, validator, value):
         if value is None:
@@ -830,11 +831,12 @@ def _decode_list(
     if not isinstance(obj, list):
         raise bv.ValidationError(
             'expected list, got %s' % bv.generic_type_name(obj))
-    return [
-        _json_compat_obj_decode_helper(
-            data_type.item_validator, item, alias_validators, strict,
-            old_style, for_msgpack)
-        for item in obj]
+
+    result = []
+    for item in obj:
+        result.append(_json_compat_obj_decode_helper(data_type.item_validator, item, alias_validators, strict,old_style, for_msgpack))
+    
+    return result
 
 
 def _decode_map(
@@ -846,15 +848,12 @@ def _decode_map(
     if not isinstance(obj, dict):
         raise bv.ValidationError(
             'expected dict, got %s' % bv.generic_type_name(obj))
-    return {
-        _json_compat_obj_decode_helper(
-            data_type.key_validator, key, alias_validators, strict,
-            old_style, for_msgpack):
-        _json_compat_obj_decode_helper(
-            data_type.value_validator, value, alias_validators, strict,
-            old_style, for_msgpack)
-        for key, value in obj.items()
-    }
+
+    result = {}
+    for key, value in obj.items():
+        result[_json_compat_obj_decode_helper(data_type.key_validator, key, alias_validators, strict,old_style, for_msgpack)] = _json_compat_obj_decode_helper(data_type.value_validator, value, alias_validators, strict,old_style, for_msgpack)
+
+    return result
 
 
 def _decode_nullable(
diff --git a/resources/lib/dropbox/stone_validators.py b/resources/lib/dropbox/stone_validators.py
index f919dc7..3e9bc22 100644
--- a/resources/lib/dropbox/stone_validators.py
+++ b/resources/lib/dropbox/stone_validators.py
@@ -422,10 +422,13 @@ class Map(Composite):
     def validate(self, val):
         if not isinstance(val, dict):
             raise ValidationError('%r is not a valid dict' % val)
-        return {
-            self.key_validator.validate(key):
-                self.value_validator.validate(value) for key, value in val.items()
-        }
+
+        #fix for python 2.6
+        result = {}
+        for key, value in val.items():
+            result[self.key_validator.validate(key)] = self.value_validator.validate(value)
+        
+        return result
 
 
 class Struct(Composite):