Fix a crash when pathoc connections fail

Use the new handler to tidy this up.

pathod/pathoc.py

@@ -291,7 +291,6 @@ class Pathoc(tcp.TCPClient):
         if self.use_http2 and not self.ssl:
             raise NotImplementedError("HTTP2 without SSL is not supported.")
 
-        try:
         ret = tcp.TCPClient.connect(self)
         if connect_to:
             self.http_connect(connect_to)
@@ -329,9 +328,6 @@ class Pathoc(tcp.TCPClient):
 
         if self.timeout:
             self.settimeout(self.timeout)
-        except Exception:
-            self.close()
-            raise
         return ret
 
     def stop(self):
@@ -511,13 +507,7 @@ def main(args):  # pragma: no cover
             )
             trycount = 0
             try:
-                p.connect(args.connect_to, args.showssl)
-            except TcpException as v:
-                print(str(v), file=sys.stderr)
-                continue
-            except PathocError as v:
-                print(str(v), file=sys.stderr)
-                sys.exit(1)
+                with p.connect(args.connect_to, args.showssl):
                     for spec in playlist:
                         if args.explain or args.memo:
                             spec = spec.freeze(p.settings)
@@ -544,6 +534,13 @@ def main(args):  # pragma: no cover
                             break
                     for i_ in p.wait(timeout=0.01, finish=True):
                         pass
+            except TcpException as v:
+                print(str(v), file=sys.stderr)
+                continue
+            except PathocError as v:
+                print(str(v), file=sys.stderr)
+                sys.exit(1)
+
     except KeyboardInterrupt:
         pass
     if p:

pathod/pathoc_cmdline.py

@@ -218,7 +218,6 @@ def args_pathoc(argv, stdout=sys.stdout, stderr=sys.stderr):
             print(v.marked(), file=stderr)
             sys.exit(1)
     args.requests = reqs
-
     return args