Reduce compiler warnings

examples/server.nim

@@ -58,7 +58,7 @@ when isMainModule:
  HttpServer.create(initTAddress("127.0.0.1:8888"), flags = socketFlags)
 
  when defined accepts:
- proc accepts() {.async, raises: [Defect].} =
+ proc accepts() {.async, raises: [].} =
  while true:
  try:
  let req = await server.accept()

tests/extensions/testextflow.nim

@@ -14,7 +14,7 @@ import pkg/asynctest/unittest2
 import ../../ws/ws
 
 type
- ExtHandler = proc(ext: Ext, frame: Frame): Future[Frame] {.raises: [Defect].}
+ ExtHandler = proc(ext: Ext, frame: Frame): Future[Frame] {.raises: [].}
 
  HelperExtension = ref object of Ext
  handler*: ExtHandler

tests/helpers.nim

@@ -7,7 +7,7 @@
 ## This file may not be copied, modified, or distributed except according to
 ## those terms.
 
-{.push raises: [Defect].}
+{.push raises: [].}
 
 import std/[strutils, random]
 import pkg/[
@@ -64,12 +64,14 @@ proc createServer*(
  flags = flags)
 
  when defined accepts:
- proc accepts() {.async, raises: [].} =
+ proc accepts() {.async: (raises: []).} =
  try:
  let req = await server.accept()
  await req.handler()
  except TransportOsError as exc:
  error "Transport error", exc = exc.msg
+ except CatchableError as exc:
+ error "Unknown error", exc = exc.msg
 
  asyncSpawn accepts()
  else:

websock/http/server.nim

@@ -25,7 +25,7 @@ logScope:
 
 type
  HttpAsyncCallback* = proc (request: HttpRequest):
- Future[void] {.closure, gcsafe, raises: [Defect].}
+ Future[void] {.closure, gcsafe, raises: [].}
 
  HttpServer* = ref object of StreamServer
  handler*: HttpAsyncCallback