From 1d55eaa1ba6e39eca7883a829aba802c0a8f362b Mon Sep 17 00:00:00 2001
From: Dan <14043624+delivrance@users.noreply.github.com>
Date: Sun, 21 Mar 2021 18:57:06 +0100
Subject: [PATCH] Fix inline keyboard buttons with empty values

---
 .../bots_and_keyboards/inline_keyboard_button.py     | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py b/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py
index 444eb5da..84d70642 100644
--- a/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py
+++ b/pyrogram/types/bots_and_keyboards/inline_keyboard_button.py
@@ -129,7 +129,7 @@ class InlineKeyboardButton(Object):
             )
 
     async def write(self, client: "pyrogram.Client"):
-        if self.callback_data:
+        if self.callback_data is not None:
             # Telegram only wants bytes, but we are allowed to pass strings too, for convenience.
             data = bytes(self.callback_data, "utf-8") if isinstance(self.callback_data, str) else self.callback_data
 
@@ -138,32 +138,32 @@ class InlineKeyboardButton(Object):
                 data=data
             )
 
-        if self.url:
+        if self.url is not None:
             return raw.types.KeyboardButtonUrl(
                 text=self.text,
                 url=self.url
             )
 
-        if self.login_url:
+        if self.login_url is not None:
             return self.login_url.write(
                 text=self.text,
                 bot=await client.resolve_peer(self.login_url.bot_username)
             )
 
-        if self.switch_inline_query:
+        if self.switch_inline_query is not None:
             return raw.types.KeyboardButtonSwitchInline(
                 text=self.text,
                 query=self.switch_inline_query
             )
 
-        if self.switch_inline_query_current_chat:
+        if self.switch_inline_query_current_chat is not None:
             return raw.types.KeyboardButtonSwitchInline(
                 text=self.text,
                 query=self.switch_inline_query_current_chat,
                 same_peer=True
             )
 
-        if self.callback_game:
+        if self.callback_game is not None:
             return raw.types.KeyboardButtonGame(
                 text=self.text
             )