add matplotlib as requirement

jorisvandenbossche · jorisvandenbossche · commit 17ee289c60e0 · 2019-01-11T15:02:00.000+01:00
diff --git a/README.md b/README.md
@@ -24,6 +24,7 @@ the internet into geospatial raster files. Bounding boxes can be passed in both
 * `mercantile`
 * `numpy`
 * `pandas`
+- `matplotlib`
 * `pillow`
 * `rasterio`
 * `requests`
diff --git a/requirements.txt b/requirements.txt
@@ -1,4 +1,5 @@
 geopy
+matplotlib
 mercantile
 pandas
 pillow
