calls where a lambda value is the fn name

See rocky/python-uncompyle6#350

Author: rocky

admin-tools/pyenv-versions

@@ -5,4 +5,4 @@ if [[ $0 == ${BASH_SOURCE[0]} ]] ; then
     echo "This script should be *sourced* rather than run directly through bash"
     exit 1
 fi
-export PYVERSIONS='3.7.8 3.8.5'
+export PYVERSIONS='3.7.10 3.8.10'

decompyle3/semantics/customize37.py

@@ -583,8 +583,9 @@ def n_call(node):
             and opname == "CALL_FUNCTION_1"
             or not re.match(r"\d", opname[-1])
         ):
+            template = "(%c)(%p)" if node[0][0] == "mklambda" else "%c(%p)"
             self.template_engine(
-                ("%c(%p)", (0, "expr"), (1, PRECEDENCE["yield"] - 1)), node
+                (template, (0, "expr"), (1, PRECEDENCE["yield"] - 1)), node
             )
             self.prec = p
             self.prune()

test/bytecode_3.7_run/01_lambda_call.pyc

@@ -0,0 +1,4 @@
+# From https://github.com/rocky/python-uncompyle6/issues/350
+# This is RUNNABLE!
+a = (lambda x: x)(abs)
+assert a(-3) == 3