Update version and help flag test in notebook

Author: ncoop57

nbs/08_script.ipynb

@@ -436,7 +436,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We can also check the version and help flaggs are working (you can ignore the error message below, this is expected behavior)"
+    "We can also check the version and help flaggs are working."
    ]
   },
   {
@@ -450,19 +450,11 @@
      "text": [
       "progname 2.0.0\n"
      ]
-    },
-    {
-     "ename": "SystemExit",
-     "evalue": "0",
-     "output_type": "error",
-     "traceback": [
-      "An exception has occurred, use %tb to see the full traceback.\n",
-      "\u001b[0;31mSystemExit\u001b[0m\u001b[0;31m:\u001b[0m 0\n"
-     ]
     }
    ],
    "source": [
-    "p.parse_args(['--v'])"
+    "try: p.parse_args(['--v'])\n",
+    "except: pass"
    ]
   },
   {
@@ -488,19 +480,11 @@
       "  --b B           param 2 (default: test)\n",
       "  --c {aa,bb,cc}  param 3 (default: aa)\n"
      ]
-    },
-    {
-     "ename": "SystemExit",
-     "evalue": "0",
-     "output_type": "error",
-     "traceback": [
-      "An exception has occurred, use %tb to see the full traceback.\n",
-      "\u001b[0;31mSystemExit\u001b[0m\u001b[0;31m:\u001b[0m 0\n"
-     ]
     }
    ],
    "source": [
-    "p.parse_args(['-h'])"
+    "try: p.parse_args(['-h'])\n",
+    "except: pass"
    ]
   },
   {