added try catch for Pyre Parsing errors

Author: m0mosenpai

client/commands/v2/pysa_server.py

@@ -32,6 +32,8 @@
     InitializationSuccess,
     InitializationFailure,
 )
+from api import query, connection as api_connection
+from api.connection import PyreQueryError
 
 LOG: logging.Logger = logging.getLogger(__name__)
 
@@ -60,6 +62,17 @@ def __init__(
         self.binary_location = binary_location
         self.server_identifier = server_identifier
 
+    async def update_errors(self) -> None:
+        pyre_connection = api_connection.PyreConnection(
+            Path(self.pyre_arguments.global_root)
+        )
+        try:
+            model_errors = query.get_invalid_taint_models(pyre_connection)
+            diagnostics = invalid_models_to_diagnostics(model_errors)
+            await self.show_model_errors_to_client(diagnostics)
+        except PyreQueryError as e:
+            await self.log_and_show_message_to_client(f"Error querying Pyre: {e}", lsp.MessageType.WARNING)
+
     async def show_message_to_client(
         self, message: str, level: lsp.MessageType = lsp.MessageType.INFO
     ) -> None: