Adjust tsconfig

src/index.ts

@@ -634,7 +634,7 @@ function on_frontend_msg(msg: KernelMessage.ICommMsgMsg) {
 function connectSoSComm(panel: NotebookPanel, renew: boolean = false) {
   let info = Manager.manager.get_info(panel);
   if (info.sos_comm && !renew) return;
-
+  if (!panel.context.sessionContext.session) return;
   try {
     let sos_comm =
       panel.context.sessionContext.session?.kernel.createComm('sos_comm');
@@ -765,8 +765,10 @@ export class SoSWidgets
             version: ''
           });
         }
-        // connectSoSComm(panel);
-        // wrapExecutor(panel);
+        if (!info.sos_comm) {
+          connectSoSComm(panel);
+          wrapExecutor(panel);
+        }
         updateCellStyles(panel, info);
         showSoSWidgets(panel.node);
       } else {
@@ -792,8 +794,10 @@ export class SoSWidgets
               version: ''
             });
           }
-          // connectSoSComm(panel);
-          // wrapExecutor(panel);
+          if (!info.sos_comm) {
+            connectSoSComm(panel);
+            wrapExecutor(panel);
+          }
           updateCellStyles(panel, info);
           showSoSWidgets(panel.node);
         } else {

tsconfig.json

@@ -9,14 +9,12 @@
     "module": "esnext",
     "moduleResolution": "node",
     "noEmitOnError": true,
-    "noImplicitAny": true,
     "noUnusedLocals": true,
     "preserveWatchOutput": true,
     "resolveJsonModule": true,
     "outDir": "lib",
     "rootDir": "src",
-    "strict": true,
-    "strictNullChecks": true,
+    "strict": false,
     "target": "ES2018"
   },
   "include": ["src/*"]