Fixed Null-Safety Errors (#1318)

* Fixed null-safety errors
Updated package version

* Updated CHANGELOG

* Fixed bug

Author: JaffaKetchup

CHANGELOG.md

@@ -1,6 +1,25 @@
 # Changelog
 
-## [2.1.0] - 2022/XX/XX
+## [2.1.1] - 2022/07/25
+
+Contains the following additions/removals:
+
+- None
+
+Contains the following bug fixes:
+
+- Removed a particularly illusive null-safety bug - [#1318](https://github.com/fleaflet/flutter_map/pull/1318)
+
+In other news:
+
+- None
+
+Many thanks to these contributors (in no particular order):
+
+- sergioisair (tested changed)
+- ... and all the maintainers
+
+## [2.1.0] - 2022/07/22
 
 Contains the following additions/removals:
 

lib/src/layer/tile_layer/tile_provider/network_no_retry_image_provider.dart

@@ -90,11 +90,13 @@ class FMNetworkNoRetryImageProvider
       return decode(bytes);
     } catch (e) {
       scheduleMicrotask(() {
-        PaintingBinding.instance.imageCache.evict(key);
+        _ambiguate(PaintingBinding.instance)?.imageCache.evict(key);
       });
       rethrow;
     } finally {
       chunkEvents.close();
     }
   }
+
+  T? _ambiguate<T>(T? value) => value;
 }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_map
 description: A versatile mapping package for Flutter, based off leaflet.js, that's simple and easy to learn, yet completely customizable and configurable.
-version: 2.1.0
+version: 2.1.1
 repository: https://github.com/fleaflet/flutter_map
 documentation: https://docs.fleaflet.dev