Add back gpcam colab import line

Author: shuds13

examples/tutorials/gpcam_surrogate_model/gpcam.ipynb

@@ -20,7 +20,10 @@
     "Ensure that libEnsemble, and gpCAM are installed via: `pip install libensemble gpcam`\n",
     "    \n",
     "> **Note that for notebooks** the multiprocessing start method should be set to `fork` (default on Linux).\n",
-    "> To use with `spawn` (default on Windows and macOS), use the `multiprocess` library."
+    "> To use with `spawn` (default on Windows and macOS), use the `multiprocess` library.\n",
+    "\n",
+    "> **Note:** If using **Colab** the cell below installs gpCAM and prevents Colab downgrading numpy due to pre-installs.\n",
+    "> Restart session when prompted (the warnings can be ignored)."
    ]
   },
   {
@@ -32,7 +35,9 @@
     "import sys\n",
     "if 'google.colab' in sys.modules:\n",
     "    !pip install libensemble\n",
-    "    !pip install gpcam"
+    "    # !pip install gpcam\n",
+    "    # Prevent downgraded numpy in colab due to preinstalls\n",
+    "    !pip install --upgrade --force-reinstall numpy==2.1.1 scipy gpcam fvgp\""
    ]
   },
   {

libensemble/gen_funcs/persistent_sampling.py

@@ -30,7 +30,7 @@ def _get_user_params(user_specs):
 
 
 @persistent_input_fields(["sim_id"])
-@output_data([("x", float, (2,))])  # The dimesion 2 is only a default... and is overwritten 
+@output_data([("x", float, (2,))])  # The dimesion of 2 is  a default and can be overwritten
 def persistent_uniform(_, persis_info, gen_specs, libE_info):
     """
     This generation function always enters into persistent mode and returns