diff --git a/code/ndarray.c b/code/ndarray.c
index ddfa44d..3fc3761 100644
--- a/code/ndarray.c
+++ b/code/ndarray.c
@@ -387,14 +387,6 @@ MP_DEFINE_CONST_FUN_OBJ_0(ndarray_get_printoptions_obj, ndarray_get_printoptions
 mp_obj_t ndarray_get_item(ndarray_obj_t *ndarray, void *array) {
     // returns a proper micropython object from an array
     if(!ndarray->boolean) {
-        #if ULAB_SUPPORTS_COMPLEX
-        if(ndarray->dtype == NDARRAY_COMPLEX) {
-            mp_float_t *c = (mp_float_t *)array;
-            mp_float_t real = *c++;
-            mp_float_t imag = *c;
-            return mp_obj_new_complex(real, imag);
-        }
-        #endif
         return mp_binary_get_val_array(ndarray->dtype, array, 0);
     } else {
         if(*(uint8_t *)array) {
@@ -735,8 +727,9 @@ ndarray_obj_t *ndarray_copy_view(ndarray_obj_t *source) {
 
     uint8_t dtype = source->dtype;
     if(source->boolean) {
-        dtype = NDARRAY_BOOLEAN;
+        dtype = NDARRAY_BOOL;
     }
+    // printf("%d\n", dtype);
     ndarray_obj_t *ndarray = ndarray_new_ndarray(source->ndim, source->shape, strides, dtype);
     ndarray_copy_array(source, ndarray, 0);
     return ndarray;
diff --git a/code/numpy/transform.c b/code/numpy/transform.c
index 0ab2464..f8f2484 100644
--- a/code/numpy/transform.c
+++ b/code/numpy/transform.c
@@ -9,9 +9,10 @@
  *
 */
 
+#include <unistd.h>
+#include <math.h>
 #include <stdlib.h>
 #include <string.h>
-#include <math.h>
 #include "py/obj.h"
 #include "py/runtime.h"
 #include "py/misc.h"
diff --git a/docs/ulab-change-log.md b/docs/ulab-change-log.md
index 2ea85dd..e85b407 100644
--- a/docs/ulab-change-log.md
+++ b/docs/ulab-change-log.md
@@ -1,10 +1,15 @@
-
-Sat, 8 Jan 2022
+Wed, 19 Jan 2022
 
     version 4.3.0
 
     implement numpy.save, numpy.load
 
+Tue, 18 Jan 2022
+
+version 4.2.1
+
+    fix ndarray_copy_view for Boolean dtypes
+
 Fri, 14 Jan 2022
 
 version 4.2.0
diff --git a/snippets/json_to_ndarray.py b/snippets/json_to_ndarray.py
index 46c9ec6..eaeb7f8 100644
--- a/snippets/json_to_ndarray.py
+++ b/snippets/json_to_ndarray.py
@@ -59,7 +59,7 @@ def json_to_ndarray(json_string, b64=True):
         json_to_ndarray(str, b64=True)
     """
     obj = json.loads(json_string)
-    print(obj)
+
     if not isinstance(obj, dict):
          raise TypeError('input argument must be a dictionary')
     if set(obj.keys()) != {'array', 'dtype', 'shape'}: