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    org.apache.http.config.Lookup class is in httpcore-4.3.jar not in httpclient-4.3.1.jar

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java.lang.NoClassDefFoundError: org/python/core/PyObject	at java.lang.ClassLoader.findBootstrapClass(Native Method)	at java.lang.ClassLoader.findBootstrapClass0(ClassLoader.java:946)	at java.lang.ClassLoader.loadClass(ClassLoader.java:308)	at java.lang.ClassLoader.loadClass(ClassLoader.java:306)	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)	at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:164)	at org.python.core.SyspathJavaLoader.loadClass(SyspathJavaLoader.java:107)	at java.lang.ClassLoader.loadClass(ClassLoader.java:251)	at org.python.core.Py.findClassEx(Py.java:817)	at org.python.core.packagecache.SysPackageManager.findClass(SysPackageManager.java:133)	at org.python.core.packagecache.PackageManager.findClass(PackageManager.java:28)	at org.python.core.packagecache.SysPackageManager.findClass(SysPackageManager.java:122)