Fix import location in notebook

doc/source/recipes/FitPureParameters.ipynb

@@ -10,7 +10,9 @@
     "This example shows how to use the new fitting class of version 0.21 of teqp \n",
     "to fit the model parameters for the SAFT-VR-Mie model based on fitting\n",
     "pseudo-experimental data obtained from a reference equation\n",
-    "of state."
+    "of state.\n",
+    "\n",
+    "In version 0.23, the parameter optimization objects were moved into their own submodule called paramopt"
    ]
   },
   {
@@ -70,14 +72,14 @@
    "outputs": [],
    "source": [
     "FLD = 'Methane'\n",
-    "ppo = teqp.PureParameterOptimizer(template, pointers)\n",
+    "ppo = teqp.paramopt.PureParameterOptimizer(template, pointers)\n",
     "\n",
     "Ts = np.linspace(100, 170, 10)\n",
     "\n",
     "# Generate some artificial pseudo-experimental data from \n",
     "# the reference EOS as implemented in CoolProp\n",
     "for T in Ts:\n",
-    "    pt = teqp.SatRhoLPWPoint()\n",
+    "    pt = teqp.paramopt.SatRhoLPWPoint()\n",
     "    rhoL, rhoV = [CP.PropsSI('Dmolar','Q',Q,'T',T,FLD) for Q in [0,1]]\n",
     "    p = CP.PropsSI('P','Q',0,'T',T,FLD)\n",
     "    w = CP.PropsSI('speed_of_sound','Q',0,'T',T,FLD)\n",
@@ -185,7 +187,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.6"
+   "version": "3.11.10"
   }
  },
  "nbformat": 4,