clean up unused variable

Author: Arian Jamasb

biopandas/mmcif/tests/test_read_mmcif.py

@@ -97,7 +97,7 @@
 def test__read_pdb():
     """Test private _read_pdb"""
     ppdb = PandasMmcif()
-    path, txt = ppdb._read_mmcif(TESTDATA_FILENAME)
+    _, txt = ppdb._read_mmcif(TESTDATA_FILENAME)
     print(txt)
     assert txt == three_eiy
 
@@ -127,9 +127,9 @@ def test_fetch_pdb():
 
     try:
         ppdb = PandasMmcif()
-        url, txt = ppdb._fetch_mmcif("3eiy")
+        _, txt = ppdb._fetch_mmcif("3eiy")
     except (HTTPError, ConnectionResetError):
-        url, txt = None, None
+        _, txt = None, None
     if txt:  # skip if PDB down
         txt[:100] == three_eiy[:100]
         ppdb.fetch_mmcif("3eiy")
@@ -142,9 +142,9 @@ def test_fetch_af2():
     # Test latest release
     try:
         ppdb = PandasMmcif()
-        url, txt = ppdb._fetch_af2("Q5VSL9", af2_version=4)
+        _, txt = ppdb._fetch_af2("Q5VSL9", af2_version=4)
     except (HTTPError, ConnectionResetError):
-        url, txt = None, None
+        _, txt = None, None
     if txt:  # skip if AF DB down
         txt[:100] == af2_test_struct_v4[:100]
         ppdb.fetch_mmcif(uniprot_id="Q5VSL9", source="alphafold2-v4")
@@ -157,9 +157,9 @@ def test_fetch_af2():
     # Test legacy release
     try:
         ppdb = PandasMmcif()
-        url, txt = ppdb._fetch_af2("Q5VSL9", af2_version=3)
+        _, txt = ppdb._fetch_af2("Q5VSL9", af2_version=3)
     except (HTTPError, ConnectionResetError):
-        url, txt = None, None
+        _, txt = None, None
     if txt:  # skip if AF DB down
         txt[:100] == af2_test_struct_v3[:100]
         ppdb.fetch_mmcif(uniprot_id="Q5VSL9", source="alphafold2-v3")
@@ -173,7 +173,7 @@ def test_fetch_af2():
 def test__read_pdb_gz():
     """Test public _read_pdb with gzip files"""
     ppdb = PandasMmcif()
-    path, txt = ppdb._read_mmcif(TESTDATA_FILENAME_GZ)
+    _, txt = ppdb._read_mmcif(TESTDATA_FILENAME_GZ)
     assert txt == three_eiy