REF: Require Pandas for tests

Ref #3290 (comment)

Author: shnizzedy

nipype/info.py

@@ -99,11 +99,12 @@ def get_nipype_gitversion():
 """
 
 # versions
-NIBABEL_MIN_VERSION = "3.0"
-NETWORKX_MIN_VERSION = "2.5"
-NUMPY_MIN_VERSION = "1.21"
-SCIPY_MIN_VERSION = "1.8"
-TRAITS_MIN_VERSION = "6.2"
+NIBABEL_MIN_VERSION = "2.1.0"
+NETWORKX_MIN_VERSION = "2.0"
+NUMPY_MIN_VERSION = "1.17"
+NUMPY_MAX_VERSION = "2.0"
+SCIPY_MIN_VERSION = "0.14"
+TRAITS_MIN_VERSION = "4.6"
 DATEUTIL_MIN_VERSION = "2.2"
 SIMPLEJSON_MIN_VERSION = "3.8.0"
 PROV_MIN_VERSION = "1.5.2"
@@ -153,6 +154,7 @@ def get_nipype_gitversion():
 
 TESTS_REQUIRES = [
     "coverage >= 5.2.1",
+    "pandas > 1.5.0, <= 2.0",
     "pytest >= 6",
     "pytest-cov >=2.11",
     "pytest-env",

nipype/pipeline/plugins/tests/test_callback.py

@@ -8,13 +8,6 @@
 import nipype.interfaces.utility as niu
 import nipype.pipeline.engine as pe
 
-try:
-    import pandas
-
-    has_pandas = True
-except ImportError:
-    has_pandas = False
-
 
 def func():
     return
@@ -71,7 +64,6 @@ def test_callback_exception(tmpdir, plugin, stop_on_first_crash):
 
 
 @pytest.mark.parametrize("plugin", ["Linear", "MultiProc", "LegacyMultiProc"])
-@pytest.mark.skipif(not has_pandas, reason="Test requires pandas")
 def test_callback_gantt(tmp_path: Path, plugin: str) -> None:
     import logging