Add networkx dep

Author: mtsokol

.github/workflows/ci.yml

@@ -100,7 +100,7 @@ jobs:
     - name: Build and install Sparse
       run: |
         pip install -U setuptools wheel
-        python -m pip install '.[finch]' scipy
+        python -m pip install '.[finch]' scipy networkx
     - name: Run examples
       run: |
         source ci/test_examples.sh

examples/pagerank_example.py

@@ -1,3 +1,5 @@
+import importlib
+import os
 import time
 
 import sparse
@@ -54,6 +56,9 @@ def pagerank(G, alpha=0.85, max_iter=100, tol=1e-6) -> dict:
     G = nx.DiGraph(nx.path_graph(4))
     ITERS = 3
 
+    os.environ[sparse._ENV_VAR_NAME] = "Finch"
+    importlib.reload(sparse)
+
     # compile
     pagerank(G)
     print("compiled")