Fixed symbolic link in tutorial (#206)

* fixed symbolic link in tutorial

* Revert changes to figure paths

* Reverted accidental newline from previous commit

docs/source/tutorial_i.ipynb

@@ -32,7 +32,7 @@
     "    - [Simulating Observational Data](#simulating-observational-data-with-fixed-parameters)\n",
     "    - [Applying an Intervention](#applying-an-intervention)\n",
     "    - [Simulating Interventional Data](#simulating-interventional-data-with-fixed-parameters)\n",
-    "    - [Transforming Causal Models using ChiRho](#transforming-causal-models-using-causal-pyro---do)\n",
+    "    - [Transforming Causal Models using ChiRho](#transforming-causal-models-using-ChiRho---do)\n",
     "- [Observation 2: Causal Uncertainty is Probabilistic Uncertainty](#observation-2:-causal-uncertainty-is-probabilistic-uncertainty)\n",
     "    - [Adding Uncertainty over Model Parameters](#adding-uncertainty-over-model-parameters)\n",
     "    - [Simulating Observational Data with Uncertain Parameters](#simulating-observational-data-with-uncertain-parameters)\n",