From eedb7f29b39c7c93c6fdf1c5c6bbc9c3655d96e4 Mon Sep 17 00:00:00 2001
From: "Davide Gessa (dakk)" <gessadavide@gmail.com>
Date: Mon, 30 Oct 2023 11:47:28 +0100
Subject: [PATCH] fix groover algorithm for python > 3.8

---
 examples/groover_hash_collision.py  |  4 ++++
 examples/groover_hash_collision2.py | 12 +++++++++++-
 qlasskit/algorithms/groover.py      | 12 ++++++++++--
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/examples/groover_hash_collision.py b/examples/groover_hash_collision.py
index 647c5c0f..4b0779b8 100644
--- a/examples/groover_hash_collision.py
+++ b/examples/groover_hash_collision.py
@@ -10,6 +10,10 @@ def qiskit_simulate(qc):
     qc.measure_all()
     print(qc.draw("text"))
 
+    # from pyqrack import qrack_simulator
+    # from qiskit.providers.qrack import Qrack
+    # simulator = Qrack.get_backend("qasm_simulator")
+    
     simulator = Aer.get_backend("aer_simulator")
     circ = transpile(qc, simulator)
     result = simulator.run(circ).result()
diff --git a/examples/groover_hash_collision2.py b/examples/groover_hash_collision2.py
index ec9e5df3..cffe7941 100644
--- a/examples/groover_hash_collision2.py
+++ b/examples/groover_hash_collision2.py
@@ -14,8 +14,18 @@ def qiskit_simulate(qc, alog):
     qc.measure(algo.out_qubits(), c)
     print(qc.draw("text"))
 
+
     simulator = Aer.get_backend("aer_simulator")
-    circ = transpile(qc, simulator)
+    circ = transpile (qc, simulator, optimization_level=3)
+    
+    # from pyqrack import qrack_simulator
+    # from qiskit.providers.qrack import Qrack
+
+    # simulator = Qrack.get_backend("qasm_simulator")
+    # basis_gates = ["u", "cx"]
+    # circ = transpile(qc, simulator, basis_gates=basis_gates, optimization_level=3)
+    
+    
     result = simulator.run(circ).result()
 
     return result.get_counts(circ)
diff --git a/qlasskit/algorithms/groover.py b/qlasskit/algorithms/groover.py
index 67fbce29..1e6fffb4 100644
--- a/qlasskit/algorithms/groover.py
+++ b/qlasskit/algorithms/groover.py
@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import math
+import sys
 from typing import List, Optional, Tuple, Union, get_args
 
 from ..qcircuit import QCircuit, gates
@@ -22,7 +23,7 @@
 
 
 class Groover(QAlgorithm):
-    def __init__(
+    def __init__( # noqa: C901
         self,
         oracle: QlassF,
         element_to_search: Qtype,
@@ -58,9 +59,16 @@ def __init__(
         if element_to_search is not None:
             if hasattr(self.oracle.args[0].ttype, "__name__"):
                 argt_name = self.oracle.args[0].ttype.__name__  # type: ignore
+
+                args = get_args(self.oracle.args[0].ttype)
+                if len(args) > 0:
+                    argt_name += "["
+                    argt_name += ",".join([x.__name__ for x in args])
+                    argt_name += "]"
+
             elif self.oracle.args[0].ttype == bool:
                 argt_name = "bool"
-            else:
+            elif sys.version_info < (3, 8):
                 argt_name = "Tuple["
                 argt_name += ",".join(
                     [x.__name__ for x in get_args(self.oracle.args[0].ttype)]