Update discord/partial_emoji.py

Co-authored-by: Paillat <[email protected]>
Signed-off-by: Lala Sabathil <[email protected]>

Author: Lulalaby

discord/partial_emoji.py

@@ -150,12 +150,10 @@ def from_str(cls: type[PE], value: str) -> PE:
         :class:`PartialEmoji`
             The partial emoji from this string.
         """
-        if value.startswith(":") and value.endswith(":"):
+        if value.startswith(":") and value.endswith(":") and len(value) > 2:
             name = value[1:-1]
-        unicode_emoji = EMOJIS_MAP.get(name)
-        if unicode_emoji:
-            return cls(name=unicode_emoji, id=None, animated=False)
-
+            if unicode_emoji := EMOJIS_MAP.get(name):
+                return cls(name=unicode_emoji, id=None, animated=False)
         match = cls._CUSTOM_EMOJI_RE.match(value)
         if match is not None:
             groups = match.groupdict()