Include the current working directory in PYTHONPATH (#152)

Co-authored-by: Ritchie Vink <ritchie46@gmail.com>

Author: vyasr

Makefile

@@ -1,6 +1,12 @@
 .DEFAULT_GOAL := help
 
-PYTHONPATH=
+# Depending on how the Python interpreter was built and whether PYTHONSAFEPATH
+# is set the current working directory may not be on sys.path. It is especially
+# problematic if PYTHONSAFEPATH is set in rc files that load in every subshell
+# since this repository launches each query in a subshell. To get around such
+# problems, we add the current directory to PYTHONPATH unconditionally,
+# bypassing any dependence on the default values in sys.path.
+export PYTHONPATH := $(PWD):$(PYTHONPATH)
 SHELL=/bin/bash
 VENV=.venv
 VENV_BIN=$(VENV)/bin