class_docstr: Stats for Y = q * round(X / q) where X ~ N(mu, sigma)
code: def pmf(self, x):
      return np.exp(self.logpmf(x))
  
imports: import numpy
  import numpy.random
  import scipy.stats
  from scipy.stats import rv_continuous
  from scipy.stats._continuous_distns import lognorm_gen
label_desc: Use image node_id 3 for calling the qnormal_gen obj's underlying member method code with example usage: obj.pmf(x) and returns: np