update to notebook to specify format of trajectory

Author: jmichel80

01_introduction/03_molecular_dynamics.ipynb

@@ -858,7 +858,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "mdtraj = traj.getTrajectory()\n",
+    "mdtraj = traj.getTrajectory(format=\"mdtraj\")\n",
     "type(mdtraj)"
    ]
   },
@@ -928,7 +928,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.10.11"
+   "version": "3.11.6"
   }
  },
  "nbformat": 4,

01_introduction/03_molecular_dynamics.md

@@ -570,7 +570,7 @@ Like most things in BioSimSpace, the `Trajectory` class is simply a wrapper arou
 
 
 ```python
-mdtraj = traj.getTrajectory()
+mdtraj = traj.getTrajectory(format="mdtraj")
 type(mdtraj)
 ```