diff --git a/Makefile b/Makefile
index f2d4b1d7..8c7212bf 100755
--- a/Makefile
+++ b/Makefile
@@ -106,7 +106,7 @@ MAIN_HIGHER_EXE = $(patsubst $(SRCDIR)/main/higher-level/%.c, $(BINDIR)/%, $(MAI
 TEST_EXE = $(patsubst $(SRCDIR)/tests/%.c, $(BINDIR)/force-test/%, $(TEST_SRC))
 
 # Dependencies
-DEP = $(CROSS_OBJ:.o=.d) $(LOWER_OBJ:.o=.d) $(HIGHER_OBJ:.o=.d) $(AUX_OBJ:.o=.d)
+DEPENDENCIES = $(CROSS_OBJ:.o=.d) $(LOWER_OBJ:.o=.d) $(HIGHER_OBJ:.o=.d) $(AUX_OBJ:.o=.d)
 
 # Targets
 all: exe tests
@@ -119,7 +119,7 @@ dev: $(BINDIR)/force-stratified-sample # specific target for development
 #.PHONY: temp all install install_ bash python rstats misc external clean build check
 
 # Include dependencies
--include $(DEP)
+-include $(DEPENDENCIES)
 
 
 print-vars:
@@ -224,8 +224,7 @@ $(BINDIR)/%: $(SRCDIR)/main/lower-level/%.c $(CROSS_OBJ) $(LOWER_OBJ)
 	@echo "Compiling $<..."
 	$(CXX) $(CFLAGS) $(INCLUDES) $(FLAGS) -o $@ $^ $(LIBS)
 
-#$(BINDIR)/%: $(SRCDIR)/main/higher-level/%.c $(CROSS_OBJ) $(HIGHER_OBJ)
-$(BINDIR)/%: $(MAIN_HIGHER_EXE) $(CROSS_OBJ) $(HIGHER_OBJ)
+$(BINDIR)/%: $(SRCDIR)/main/higher-level/%.c $(CROSS_OBJ) $(HIGHER_OBJ)
 	@echo "Compiling $<..."
 	$(CXX) $(CFLAGS) $(INCLUDES) $(FLAGS) -o $@ $^ $(LIBS)
 
diff --git a/misc/force-version.txt b/misc/force-version.txt
index 303423b8..6f7023b1 100644
--- a/misc/force-version.txt
+++ b/misc/force-version.txt
@@ -1 +1 @@
-3.7.12-dev:::2024-10-24_07:32:25
+3.7.12-dev:::2024-10-24_13:09:57
diff --git a/src/main/aux-level/force-qai-inflate.c b/src/main/higher-level/force-qai-inflate.c
similarity index 100%
rename from src/main/aux-level/force-qai-inflate.c
rename to src/main/higher-level/force-qai-inflate.c
diff --git a/src/main/aux-level/force-cube-init.c b/src/main/lower-level/force-cube-init.c
similarity index 100%
rename from src/main/aux-level/force-cube-init.c
rename to src/main/lower-level/force-cube-init.c
diff --git a/src/modules/aux-level/train-aux.cpp b/src/modules/aux-level/train-aux.c
similarity index 100%
rename from src/modules/aux-level/train-aux.cpp
rename to src/modules/aux-level/train-aux.c
diff --git a/src/modules/higher-level/pheno-hl.cpp b/src/modules/higher-level/pheno-hl.c
similarity index 100%
rename from src/modules/higher-level/pheno-hl.cpp
rename to src/modules/higher-level/pheno-hl.c
diff --git a/src/modules/higher-level/py-udf-hl.c b/src/modules/higher-level/py-udf-hl.c
index 1ccaee3a..153ee672 100755
--- a/src/modules/higher-level/py-udf-hl.c
+++ b/src/modules/higher-level/py-udf-hl.c
@@ -75,13 +75,17 @@ par_udf_t *udf;
   } else if (phl->udf.pyp.out){
     udf = &phl->udf.pyp;
   } else {
-    return;
+    exit(FAILURE);
   }
 
 
   Py_Initialize();
 
-  import_array();
+  if (_import_array() < 0) {
+    PyErr_Print();
+    PyErr_SetString(PyExc_ImportError, "numpy.core.multiarray failed to import");
+    exit(FAILURE);
+  }
 
   PyRun_SimpleString("from multiprocessing.pool import Pool");
   PyRun_SimpleString("import numpy as np");
@@ -548,7 +552,7 @@ short* return_  = NULL;
     py_nproc, 
     NULL);
 
-  if (py_return == Py_None){
+  if ((PyObject*)py_return == Py_None){
     printf("None returned from python. Check the python UDF code!\n");
     exit(FAILURE);}