Repr for import error

apex/amp/frontend.py

@@ -282,7 +282,6 @@ def initialize(
         _amp_state.opt_properties = opt_levels[opt_level](_amp_state.opt_properties)
         maybe_print("Selected optimization level {}".format(opt_levels[opt_level].brief), True)
         maybe_print("Defaults for this optimization level are:", True)
-        maybe_print(_amp_state.opt_properties.options, True)
         for k, v in _amp_state.opt_properties.options.items():
             maybe_print("{:22} : {}".format(k, v), True)
 

apex/amp/scaler.py

@@ -49,7 +49,7 @@ class LossScaler(object):
                     "Warning:  multi_tensor_applier fused unscale kernel is unavailable, "
                     "possibly because apex was installed without --cuda_ext --cpp_ext. "
                     "Using Python fallback.  Original ImportError was: " +
-                    multi_tensor_applier.import_err,
+                    repr(multi_tensor_applier.import_err),
                     True)
             LossScaler.has_fused_kernel = False
             LossScaler.warned_no_fused_kernel = True

tests/L1/common/run_test.sh

@@ -55,7 +55,7 @@ set -e
 print_banner "Installing Apex with --cuda_ext and --cpp_ext"
 
 pushd ../../..
-python setup.py install --cuda_ext --cpp_ext
+pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" .
 popd
 
 for opt_level in "${opt_levels[@]}"
@@ -92,7 +92,7 @@ done
 print_banner "Reinstalling apex without extensions"
 
 pushd ../../..
-python setup.py install
+pip install -v --no-cache-dir .
 popd
 
 for opt_level in "${opt_levels[@]}"
@@ -139,5 +139,5 @@ done
 print_banner "Reinstalling Apex with --cuda_ext and --cpp_ext"
 
 pushd ../../..
-python setup.py install --cuda_ext --cpp_ext
+pip install -v --no-cache-dir --global-option="--cpp_ext" --global-option="--cuda_ext" .
 popd