A patch to address HPU Graphs issue with DILL

A temp solution to address overriding issue installing dill with habana
torch from gaudi-docker/1.15.0
- Having `import __main__ as _main_module` in the global space of the
  dill module causes some overriding issue on hpu graph destructor

Dockerfile

@@ -58,7 +58,7 @@ COPY server/Makefile server/Makefile
 RUN cd server && \
     make gen-server && \
     pip install -r requirements.txt && \
-    bash ./dill-0.3.7-patch.sh && \
+    bash ./dill-0.3.8-patch.sh && \
     pip install git+https://github.com/HabanaAI/DeepSpeed.git@1.15.0 && \
     pip install . --no-cache-dir
 

server/dill-0.3.8-patch.sh

@@ -0,0 +1,91 @@
+#!/bin/bash
+git clone -b 0.3.8 https://github.com/uqfoundation/dill.git
+pushd dill
+cat <<EOF > dill-0.3.8.patch
+diff --git a/dill/_dill.py b/dill/_dill.py
+index d42432f..1d251e6 100644
+--- a/dill/_dill.py
++++ b/dill/_dill.py
+@@ -69,7 +69,15 @@ TypeType = type # 'new-style' classes #XXX: unregistered
+ XRangeType = range
+ from types import MappingProxyType as DictProxyType, new_class
+ from pickle import DEFAULT_PROTOCOL, HIGHEST_PROTOCOL, PickleError, PicklingError, UnpicklingError
+-import __main__ as _main_module
++class _LazyMainModule(object):
++    _module = None
++    @property
++    def module(self):
++        if self._module is None:
++            import __main__ as _m_module
++            self._module = _m_module
++        return self._module
++_main_module = _LazyMainModule()
+ import marshal
+ import gc
+ # import zlib
+@@ -355,7 +363,7 @@ class Pickler(StockPickler):
+         _fmode = kwds.pop('fmode', None)
+         _recurse = kwds.pop('recurse', None)
+         StockPickler.__init__(self, file, *args, **kwds)
+-        self._main = _main_module
++        self._main = _main_module.module
+         self._diff_cache = {}
+         self._byref = settings['byref'] if _byref is None else _byref
+         self._strictio = False #_strictio
+@@ -437,12 +445,12 @@ class Unpickler(StockUnpickler):
+         settings = Pickler.settings
+         _ignore = kwds.pop('ignore', None)
+         StockUnpickler.__init__(self, *args, **kwds)
+-        self._main = _main_module
++        self._main = _main_module.module
+         self._ignore = settings['ignore'] if _ignore is None else _ignore
+ 
+     def load(self): #NOTE: if settings change, need to update attributes
+         obj = StockUnpickler.load(self)
+-        if type(obj).__module__ == getattr(_main_module, '__name__', '__main__'):
++        if type(obj).__module__ == getattr(self._main, '__name__', '__main__'):
+             if not self._ignore:
+                 # point obj class to main
+                 try: obj.__class__ = getattr(self._main, type(obj).__name__)
+@@ -1199,11 +1207,11 @@ def save_module_dict(pickler, obj):
+         logger.trace(pickler, "D1: %s", _repr_dict(obj)) # obj
+         pickler.write(bytes('c__builtin__\n__main__\n', 'UTF-8'))
+         logger.trace(pickler, "# D1")
+-    elif (not is_dill(pickler, child=False)) and (obj == _main_module.__dict__):
++    elif (not is_dill(pickler, child=False)) and (obj == _main_module.module.__dict__):
+         logger.trace(pickler, "D3: %s", _repr_dict(obj)) # obj
+         pickler.write(bytes('c__main__\n__dict__\n', 'UTF-8'))  #XXX: works in general?
+         logger.trace(pickler, "# D3")
+-    elif '__name__' in obj and obj != _main_module.__dict__ \\
++    elif '__name__' in obj and obj != _main_module.module.__dict__ \\
+             and type(obj['__name__']) is str \\
+             and obj is getattr(_import_module(obj['__name__'],True), '__dict__', None):
+         logger.trace(pickler, "D4: %s", _repr_dict(obj)) # obj
+diff --git a/dill/session.py b/dill/session.py
+index e91068a..a921b43 100644
+--- a/dill/session.py
++++ b/dill/session.py
+@@ -233,7 +233,7 @@ def dump_module(
+     protocol = settings['protocol']
+     main = module
+     if main is None:
+-        main = _main_module
++        main = _main_module.module
+     elif isinstance(main, str):
+         main = _import_module(main)
+     if not isinstance(main, ModuleType):
+@@ -501,7 +501,7 @@ def load_module(
+             pass
+     assert loaded is main
+     _restore_modules(unpickler, main)
+-    if main is _main_module or main is module:
++    if main is _main_module.module or main is module:
+         return None
+     else:
+         return main
+
+EOF
+git apply dill-0.3.8.patch
+python -m pip install .
+popd
+rm -fr dill