Fixed further requirements

Makefile

@@ -19,6 +19,9 @@ frontend: phony frontend/node_modules
 	cd plugins/registry; make builtin; make frontend
 
 heedy: backend/main.go phony # gencode
+ifeq ($(shell which statik),)
+	go get github.com/rakyll/statik
+endif
 	statik -src=./assets -dest=./backend -p assets -f
 	cd backend; $(GO) build --tags "sqlite_foreign_keys json1 sqlite_preupdate_hook" -o ../heedy -ldflags "-X \"github.com/heedy/heedy/backend/buildinfo.BuildTimestamp=`date -u '+%Y-%m-%d %H:%M:%S'`\" -X github.com/heedy/heedy/backend/buildinfo.GitHash=`git rev-parse HEAD` -X github.com/heedy/heedy/backend/buildinfo.Version=$(VERSION)"
 	rm ./backend/assets/statik.go

api/python/requirements.txt

@@ -5,4 +5,6 @@ pytest-aiohttp
 pytest-cov
 pytest-timeout
 
+numpy
+aiohttp
 dateparser