Adding upstream version 4.64.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

examples/include_no_requirements.py

@@ -0,0 +1,11 @@
+# How to import tqdm in any frontend without enforcing it as a dependency
+try:
+    from tqdm.auto import tqdm
+except ImportError:
+
+    def tqdm(*args, **kwargs):
+        if args:
+            return args[0]
+        return kwargs.get('iterable', None)
+
+__all__ = ['tqdm']