Typo on Sympy sheet

Open quotes without closed quotes on first cell.
Added in closed quotes.

Author: geraintpalmer

nbs/01 - Symbolic mathematics with Sympy.ipynb

@@ -8,7 +8,7 @@
     "\n",
     "[Sympy](http://www.sympy.org/en/index.html) is described as a:\n",
     "\n",
-    "> \"... Python library for symbolic mathematics.\n",
+    "> \"... Python library for symbolic mathematics.\"\n",
     "\n",
     "This means it can be used to:\n",
     "\n",
@@ -690,9 +690,9 @@
  "metadata": {
   "anaconda-cloud": {},
   "kernelspec": {
-   "display_name": "Python [conda env:pymathws]",
+   "display_name": "Python 3",
    "language": "python",
-   "name": "conda-env-pymathws-py"
+   "name": "python3"
   },
   "language_info": {
    "codemirror_mode": {
@@ -704,7 +704,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.6.0"
+   "version": "3.5.1"
   }
  },
  "nbformat": 4,