def readFrames(self,count=None):
		if count==None:
			count = self._totalFrames - self._frame 
			
		a=array.array(self._arrayType)
		a.fromfile(self._f,count*self._cols)
		if self._bswap:
			a.byteswap()
		na=numpy.array(a)
		na.shape=count,self._cols
		self._frame += count
		return na
import error: manage.py builtin commands shows useful diagnostic info when settings with import errors is provided
dataset/ETHPy150Open uci-cbcl/tree-hmm/gmtkParam/obsIO.py/GmtkBinaryObsInStream.readFrames--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/tests/regressiontests/admin_scripts/tests.py/ManageSettingsWithImportError.test_builtin_command