tclap/1.2.3: WARN: Build folder is dirty, removing it: /home/conan/w/cci_PR-4389/.conan/data/tclap/1.2.3/_/_/build/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9
ERROR: tclap/1.2.3: Error in source() method, line 18
	os.rename(self.name + "-" + self.version, self._source_subfolder)
	NameError: name 'os' is not defined