diff --git a/tqdm_5/tqdm/_tqdm.py b/tqdm_5/tqdm/_tqdm.py
index 2ab2854..f0261da 100755
--- a/tqdm_5/tqdm/_tqdm.py
+++ b/tqdm_5/tqdm/_tqdm.py
@@ -748,19 +748,12 @@ def __init__(self, iterable=None, desc=None, total=None, leave=True,
         if disable is None and hasattr(file, "isatty") and not file.isatty():
             disable = True
 
-        if total is None and iterable is not None:
-            try:
-                total = len(iterable)
-            except (TypeError, AttributeError):
-                total = None
-
         if disable:
             self.iterable = iterable
             self.disable = disable
             self.pos = self._get_free_pos(self)
             self._instances.remove(self)
             self.n = initial
-            self.total = total
             return
 
         if kwargs:
@@ -773,6 +766,12 @@ def __init__(self, iterable=None, desc=None, total=None, leave=True,
                 else TqdmKeyError("Unknown argument(s): " + str(kwargs)))
 
         # Preprocess the arguments
+        if total is None and iterable is not None:
+            try:
+                total = len(iterable)
+            except (TypeError, AttributeError):
+                total = None
+
         if ((ncols is None) and (file in (sys.stderr, sys.stdout))) or \
                 dynamic_ncols:  # pragma: no cover
             if dynamic_ncols:
diff --git a/tqdm_5/tqdm/tests/tests_tqdm.py b/tqdm_5/tqdm/tests/tests_tqdm.py
index 35e1c70..baecaa3 100644
--- a/tqdm_5/tqdm/tests/tests_tqdm.py
+++ b/tqdm_5/tqdm/tests/tests_tqdm.py
@@ -1560,37 +1560,6 @@ def test_threading():
     # TODO: test interleaved output #445
 
 
-@with_setup(pretest, posttest)
-def test_bool():
-    """Test boolean cast"""
-    def internal(our_file, disable):
-        with tqdm(total=10, file=our_file, disable=disable) as t:
-            assert t
-        with tqdm(total=0, file=our_file, disable=disable) as t:
-            assert not t
-        with trange(10, file=our_file, disable=disable) as t:
-            assert t
-        with trange(0, file=our_file, disable=disable) as t:
-            assert not t
-        with tqdm([], file=our_file, disable=disable) as t:
-            assert not t
-        with tqdm([0], file=our_file, disable=disable) as t:
-            assert t
-        with tqdm(file=our_file, disable=disable) as t:
-            try:
-                print(bool(t))
-            except TypeError:
-                pass
-            else:
-                raise TypeError(
-                    "Expected tqdm() with neither total nor iterable to fail")
-
-    # test with and without disable
-    with closing(StringIO()) as our_file:
-        internal(our_file, False)
-        internal(our_file, True)
-
-
 @with_setup(pretest, posttest)
 def test_autonotebook():
     """Test autonotebook fallback"""