Replace most raw API usage with new location

telethon/errors/common.py

@@ -1,7 +1,7 @@
 """Errors not related to the Telegram API itself"""
 import struct
 
-from ..tl import TLRequest
+from .. import _tl
 
 
 class ReadCancelledError(Exception):
@@ -138,7 +138,7 @@ class MultiError(Exception):
                 raise TypeError(
                     "Expected an exception object, not '%r'" % e
                 )
-            if not isinstance(req, TLRequest):
+            if not isinstance(req, _tl.TLRequest):
                 raise TypeError(
                     "Expected TLRequest object, not '%r'" % req
                 )

telethon/errors/rpcbaseerrors.py

@@ -1,13 +1,13 @@
-from ..tl import functions
+from .. import _tl
 
 _NESTS_QUERY = (
-    functions.InvokeAfterMsgRequest,
-    functions.InvokeAfterMsgsRequest,
-    functions.InitConnectionRequest,
-    functions.InvokeWithLayerRequest,
-    functions.InvokeWithoutUpdatesRequest,
-    functions.InvokeWithMessagesRangeRequest,
-    functions.InvokeWithTakeoutRequest,
+    _tl.fn.InvokeAfterMsg,
+    _tl.fn.InvokeAfterMsgs,
+    _tl.fn.InitConnection,
+    _tl.fn.InvokeWithLayer,
+    _tl.fn.InvokeWithoutUpdates,
+    _tl.fn.InvokeWithMessagesRange,
+    _tl.fn.InvokeWithTakeout,
 )
 
 class RPCError(Exception):