Use Python 3.8 compatible syntax (posit-dev/positron-python#95)

extensions/positron-python/pythonFiles/positron/lsp.py

@@ -3,7 +3,7 @@
 #
 
 import urllib.parse
-from typing import Tuple
+from typing import Optional, Tuple
 
 from .positron_jedilsp import POSITRON
 
@@ -53,7 +53,7 @@ def shutdown(self) -> None:
             except Exception:
                 pass
 
-    def split_address(self, client_address: str) -> Tuple[str | None, int | None]:
+    def split_address(self, client_address: str) -> Tuple[Optional[str], Optional[int]]:
         """
         Split an address of the form "host:port" into a tuple of (host, port).
         """

extensions/positron-python/pythonFiles/positron/positron_jedilsp.py

@@ -117,14 +117,10 @@ def start(self, lsp_host: str, lsp_port: int, kernel) -> None:
         global KERNEL
         KERNEL = kernel
 
-        loop = asyncio.get_event_loop()
         try:
             asyncio.ensure_future(self._start_jedi(lsp_host, lsp_port))
-            loop.run_forever()
         except KeyboardInterrupt:
             pass
-        finally:
-            loop.close()
 
     async def _start_jedi(self, lsp_host, lsp_port):
         """Starts Jedi LSP as a TCP server using existing asyncio loop."""