Methods like __iter__() and __next__() are implemented automatically. Because then you should not use "sale.get_sale_count()" but "doc.get_sale_count()" as Odoo uses doc as variable in this report. How to use the count_documents() method This is not guaranteed to work in all cases. The Cursor object’s count() method is deprecated since v3.1 of MongoDB. In the above example, len() is called on each element of ['abc', 'de', 'fghi'] to return an iterator over the lengths of each string in the list. Since your model looks very small, it should be easier to move to PyTorch rather than experimenting with other solutions. Generator function contains one or more yield statements. To preserve dtypes while iterating over the rows, it is better to use itertuples() which returns namedtuples of the values and which is generally faster than iterrows.. You should never modify something you are iterating over. 修改为下面这样运行正常 f=fab(5) f.__next__() The python generator yield a tuple (x, y), which follows the tf document of fit function. Use the method count_documents() and make another call to that collection object or by counting when using the iterator enumerate, a Python generator, for the result object. add_pivot (pivot) [source] ¶ add_table (table) [source] ¶ Optionally provide a cell for the top-left anchor. The map() function works by calling iter() on its second argument, advancing this iterator with next() until the iterator is exhausted, and applying the function passed to its first argument to the value returned by next() at each step. Although that's not as memory efficient... ADD COMMENT • link modified 3.4 years ago • written 3.4 years ago by WouterDeCoster ♦ 44k A generator doesn't have an apriori known length, you'll first need to convert it to a list. Tok-tok has been tested on, and gives reasonably good results for English, Persian, Russian, Czech, French, German, Vietnamese, Tajik, … Add a data-validation object to the sheet. The tok-tok tokenizer is a simple, general tokenizer, where the input has one sentence per line; thus only final period is tokenized. Here is how a generator function differs from a normal function. Describe the expected behavior I want to know how to make it. add_image (img, anchor=None) [source] ¶ Add an image to the sheet. Standalone code to reproduce the issue Any object can be tested for truth value, for use in an if or while condition or as operand of the Boolean operations below.. By default, an object is considered true unless its class defines either a __bool__() method that returns False or a __len__() method that returns zero, when called with the object. There are two ways to successfully get the document count. When training a Sequential model by fit function with python generator as inputs, it raise AttributeError: 'tuple' object has no attribute 'rank'. Differences between Generator function and Normal function. The data-validation object defines the type of data-validation to be applied and the cell or range of cells it should apply to. An example in XML: how to solve attributeerror: 'list' object has no attribute 'lower' function anagrams(s1, s2) is a Boolean valued function, which returns true just in case the string s1 contains the same letters as string s2 but in a … Computes number of nonzero elements across dimensions of a tensor. When called, it returns an object (iterator) but does not start execution immediately. 1 Here are most of the built-in objects considered false: AttributeError: ‘generator’ object has no attribute ‘next’ 原因是在python 3.x中 generator（有yield关键字的函数则会被识别为generator函数）中的next变为__next__了,next是python 3.x以前版本中的方法. @Arjun-Arvindakshan Either create a new Keras/TF environment and try your code there or try some of the solutions mentioned above in my previous post or completely move to PyTorch. Depending on the data types, the iterator returns a copy and not a view, and writing to it will have no effect. Truth Value Testing¶.