lib/pycall/import.rb in pycall-0.1.0.alpha.20170224 vs lib/pycall/import.rb in pycall-0.1.0.alpha.20170226

@@ -20,17 +20,19 @@
       end
 
       check_valid_module_variable_name(mod_name, as)
 
       mod = PyCall.import_module(mod_name)
+      raise PyError.fetch unless mod
+
       define_singleton_method(as) { mod }
     end
 
     def pyfrom(mod_name, import: nil)
       raise ArgumentError, "missing identifiers to be imported" unless import
 
       mod = PyCall.import_module(mod_name)
-      raise "Unable to import module #{mod_name}" unless mod # TODO: PyError
+      raise PyError.fetch unless mod
 
       case import
       when Hash
         import.each do |attr, as|
           val = PyCall.getattr(mod, attr)