Merge pull request #352 from TTsangSC/restore-cython-compat

FIX: restore Cython compatibility + pivot to `sys.monitoring`

Author: Erotemic

CHANGELOG.rst

@@ -24,6 +24,7 @@ Changes
   * On-import profiling is now more aggressive so that it doesn't miss entities
     like class methods and properties
   * ``LineProfiler`` can now be used as a class decorator
+* FIX: Fixed line tracing for Cython code; superseded use of the legacy tracing system with ``sys.monitoring``
 
 4.2.0
 ~~~~~

docs/source/auto/line_profiler.unset_trace.rst

@@ -9,7 +9,6 @@ add_cython_target(${module_name} "${cython_source}" C OUTPUT_VAR sources)
 
 # Add any other non-cython dependencies to the sources
 list(APPEND sources
-  "${CMAKE_CURRENT_SOURCE_DIR}/unset_trace.c"
   "${CMAKE_CURRENT_SOURCE_DIR}/timers.c"
 )
 message(STATUS "[OURS] sources = ${sources}")