Created isiterable in utils/helpers.py to check if an object is iterable rather than just checking if it's a list. Replaced the check done in read_numbers with this.

Author: Colm Vize

bashplotlib/histogram.py

@@ -35,7 +35,7 @@ def read_numbers(numbers):
     """
     Read the input data in the most optimal way
     """
-    if isinstance(numbers, list):
+    if isiterable(numbers):
         for number in numbers:
             yield float(str(number).strip())
     else:

bashplotlib/utils/helpers.py

@@ -7,6 +7,8 @@
 
 import sys
 
+isiterable = lambda x: hasattr(x, '__iter__') or hasattr(x, '__getitem__')
+
 bcolours = {
     "white":   '\033[97m',
     "aqua":    '\033[96m',