Fix nowcast directory by adding inits to subdirs

Author: chinandrew

nowcast/Makefile

@@ -1,6 +1,6 @@
 .PHONY = venv, lint, test, clean
 
-dir = $(shell find ./delphi_* -name __init__.py | grep -o 'delphi_[_[:alnum:]]*')
+dir = $(shell find ./delphi_* -name __init__.py | grep -o 'delphi_[_[:alnum:]]* | head -1')
 
 venv:
 	python3.8 -m venv env