Merge pull request #660 from Labelbox/lgluszek/CCV-1501

[CCV-1501] Add two new attachment types - raw_text and text_file

Author: lgluszek

labelbox/schema/asset_attachment.py

@@ -9,7 +9,7 @@ class AssetAttachment(DbObject):
     """ Asset attachment provides extra context about an asset while labeling.
 
     Attributes:
-        attachment_type (str): IMAGE, VIDEO, TEXT, IMAGE_OVERLAY, or HTML
+        attachment_type (str): IMAGE, VIDEO, IMAGE_OVERLAY, HTML, RAW_TEXT, or TEXT_URL. TEXT attachment type is deprecated.
         attachment_value (str): URL to an external file or a string of text
     """
 
@@ -19,6 +19,8 @@ class AttachmentType(Enum):
         TEXT = "TEXT"
         IMAGE_OVERLAY = "IMAGE_OVERLAY"
         HTML = "HTML"
+        RAW_TEXT = "RAW_TEXT"
+        TEXT_URL = "TEXT_URL"
 
     for topic in AttachmentType:
         vars()[topic.name] = topic.value