Move StreamableExecutor.stop() to its destructor

Author: gsakkis

pdal/StreamableExecutor.cpp

@@ -186,9 +186,7 @@ StreamableExecutor::StreamableExecutor(std::string const& json, point_count_t ch
 
 StreamableExecutor::~StreamableExecutor()
 {
-    //ABELL - Hmmm.
-    if (m_thread)
-        m_thread->join();
+    stop();
 }
 
 PyArrayObject *StreamableExecutor::executeNext()

pdal/libpdalpython.pyx

@@ -250,9 +250,6 @@ cdef class PipelineIterator(PipelineResultsMixin):
     cdef set_executor(self, StreamableExecutor* executor):
         self._executor.reset(executor)
 
-    def __dealloc__(self):
-        self._executor.get().stop()
-
     @property
     def schema(self):
         return json.loads(self._executor.get().getSchema())