class_docstr: Expands all import when '*' detected
  
  >>> import gast as ast
  >>> from pythran import passmanager, backend
  >>> node = ast.parse("from math import *")
  >>> pm = passmanager.PassManager("test")
  >>> _, node = pm.apply(ExpandImportAll, node)
  >>> print(pm.dump(backend.Python, node))
  from math import acos, acosh, asin, asinh, atan, atan2, atanh, ceil, copysign, cos, cosh, degrees, e, erf, erfc, exp, expm1, fabs, factorial, floor, fmod, frexp, gamma, hypot, isinf, isnan, ldexp, lgamma, log, log10, log1p, modf, pi, pow, radians, sin, sinh, sqrt, tan, tanh, trunc
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code: def visit_ImportFrom(self, node):
      for alias in node.names:
          if alias.name == "*":
              self.update = True
              node.names.pop()
              node.names.extend(
                  ast.alias(fname, None)
                  for fname in sorted(MODULES[node.module])
              )
      return node
  
imports: from pythran.passmanager import Transformation
  from pythran.tables import MODULES
  import gast
label_desc: Use image node_id 1 for calling the ExpandImportAll obj's underlying member method code with example usage: obj.visit_ImportFrom(node) and returns: node