fix linter warnings

deltabot_cli/__init__.py

@@ -1,6 +1,4 @@
 """Library to help with Delta Chat bot development"""
 
-# pylama:ignore=W0611,W0401
-from deltachat2 import *
-
+# pylama:ignore=W0611
 from .cli import BotCli

examples/echobot.py

@@ -1,9 +1,9 @@
 #!/usr/bin/env python3
 """Minimal echo-bot example."""
 
-from deltachat2 import MsgData
+from deltachat2 import MsgData, events
 
-from deltabot_cli import BotCli, events
+from deltabot_cli import BotCli
 
 cli = BotCli("echobot")
 

examples/echobot_advanced.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 """Advanced echo bot example."""
-from deltachat2 import MsgData
+from deltachat2 import EventType, MsgData, events
 
-from deltabot_cli import BotCli, EventType, events
+from deltabot_cli import BotCli
 
 cli = BotCli("echobot")