set docs env var in conf.py

Author: clickingbuttons

docs/Makefile

@@ -17,4 +17,4 @@ help:
 # Catch-all target: route all unknown targets to Sphinx using the new
 # "make mode" option.  $(O) is meant as a shortcut for $(SPHINXOPTS).
 %: Makefile
-	POLYGON_API_KEY="POLYGON_API_KEY" $(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)

docs/source/conf.py

@@ -14,7 +14,7 @@
 import sys
 sys.path.insert(0, os.path.abspath('../..'))
 print('docs path', sys.path[0])
-
+os.environ['POLYGON_API_KEY'] = 'POLYGON_API_KEY'
 
 # -- Project information -----------------------------------------------------