diff --git a/install/install_requirements.sh b/install/install_requirements.sh
index 6344509d8..2b623e831 100755
--- a/install/install_requirements.sh
+++ b/install/install_requirements.sh
@@ -9,26 +9,39 @@ set -eou pipefail
 
 # Install required python dependencies for developing
 # Dependencies are defined in .pyproject.toml
-PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE:-python}
-if [[ -z ${CONDA_DEFAULT_ENV:-} ]] || [[ ${CONDA_DEFAULT_ENV:-} == "base" ]] || [[ ! -x "$(command -v python)" ]];
+if [ -z "${PYTHON_EXECUTABLE:-}" ];
 then
-  PYTHON_EXECUTABLE=python3
+  if [[ -z ${CONDA_DEFAULT_ENV:-} ]] || [[ ${CONDA_DEFAULT_ENV:-} == "base" ]] || [[ ! -x "$(command -v python)" ]];
+  then
+    PYTHON_EXECUTABLE=python3
+  fi
 fi
+echo "Using python executable: $PYTHON_EXECUTABLE"
 
+PYTHON_SYS_VERSION="$($PYTHON_EXECUTABLE -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')")"
 # Check python version. Expect 3.10.x or 3.11.x
-printf "import sys\nif sys.version_info.major != 3 or sys.version_info.minor < 10 :\n\tprint('Please use Python >=3.10');sys.exit(1)\n" | $PYTHON_EXECUTABLE
-if [[ $? -ne 0 ]]
+if ! $PYTHON_EXECUTABLE -c "
+import sys
+if sys.version_info < (3, 10) or sys.version_info >= (3, 12):
+    sys.exit(1)
+";
 then
+  echo "Python version must be 3.10.x or 3.11.x. Detected version: $PYTHON_SYS_VERSION"
   exit 1
 fi
 
 if [[ "$PYTHON_EXECUTABLE" == "python" ]];
 then
   PIP_EXECUTABLE=pip
-else
+elif [[ "$PYTHON_EXECUTABLE" == "python3" ]];
+then
   PIP_EXECUTABLE=pip3
+else
+  PIP_EXECUTABLE=pip${PYTHON_SYS_VERSION}
 fi
 
+echo "Using pip executable: $PIP_EXECUTABLE"
+
 #
 # First install requirements in install/requirements.txt. Older torch may be
 # installed from the dependency of other models. It will be overridden by