Make deletion async friendly

etherpump/commands/pull.py

@@ -27,12 +27,14 @@ use/prefer public interfaces ? (export functions)
 """
 
 
-def try_deleting(files):
+async def try_deleting(files):
     for f in files:
         try:
-            os.remove(f)
+            path = trio.Path(f)
-        except OSError:
+            if os.path.exists(path):
-            pass
+                await path.rmdir()
+        except Exception as exception:
+            print("PANIC: {}".format(exception))
 
 
 def build_argument_parser(args):
@@ -307,7 +309,7 @@ async def handle_pad(args, padid, data, info, session):
             ## ENFORCE __NOPUBLISH__ MAGIC WORD
             ##########################################
             if args.nopublish in text:
-                try_deleting(
+                await try_deleting(
                     (
                         p + raw_ext,
                         p + ".raw.html",
@@ -326,7 +328,7 @@ async def handle_pad(args, padid, data, info, session):
             ## ENFORCE __PUBLISH__ MAGIC WORD
             ##########################################
             if args.publish_opt_in and args.publish not in text:
-                try_deleting(
+                await try_deleting(
                     (
                         p + raw_ext,
                         p + ".raw.html",