h2o-py/h2o/frame.py
def nrows(self):
        """Number of rows in the dataframe (int)."""
        if not self._ex._cache.nrows_valid():
            self._ex._cache.flush()
            self._frame(fill_cache=True)
        return self._ex._cache.nrows
def nrows(self):
        """Number of rows in the dataframe (int)."""
        if not self._ex._cache.nrows_valid():
            self._ex._cache.flush()
            self._frame(fill_cache=True)
        return self._ex._cache.nrows
Number of rows in the dataframe (int).