Fix caching to prevent displaying the wrong variant

CHANGELOG.md

@@ -7,7 +7,10 @@ About changelog [here](https://keepachangelog.com/en/1.0.0/)
 ## [x.x.x]
 ### Added
 ### Changed
+ - Changed cached method from simple to file system as it would be thread safe
+
 ### Fixed
+ - Fixed cache issue that could result in chromosome information not being updated
 
 ## [2.1.1]
 ### Added

gens/blueprints/gens/views.py

@@ -23,7 +23,6 @@
 
 
 @gens_bp.route("/<path:sample_name>", methods=["GET"])
-@cache.cached(timeout=60)
 def display_case(sample_name):
     """
     Renders the Gens template

gens/cache.py

@@ -1,4 +1,4 @@
 """Initiate cachig for app."""
 from flask_caching import Cache
 
-cache = Cache(config={"CACHE_TYPE": "simple"})
+cache = Cache(config={"CACHE_TYPE": "FileSystemCache", "CACHE_DIR": "/tmp"})