lint: small cleanups, mostly E711 and E713

8 files changed, 36 insertions, 36 deletions

diff --git a/fatcat_scholar/hacks.py b/fatcat_scholar/hacks.py
index 541edda..2be90f0 100644
--- a/fatcat_scholar/hacks.py
+++ b/fatcat_scholar/hacks.py
@@ -68,8 +68,8 @@ def parse_accept_lang(header: str, options: typing.List[str]) -> typing.Optional
 
 
 def test_parse_accept_lang() -> None:
-    assert parse_accept_lang("", []) == None
-    assert parse_accept_lang("en,de", []) == None
+    assert parse_accept_lang("", []) is None
+    assert parse_accept_lang("en,de", []) is None
     assert parse_accept_lang("en,de", ["en"]) == "en"
     assert parse_accept_lang("en-GB,de", ["en"]) == "en"
     assert parse_accept_lang("zh_Hans_CN", ["en", "zh"]) == "zh"
@@ -94,7 +94,7 @@ def wayback_direct_url(url: str) -> str:
     """
     Re-writes a wayback replay URL to add the 'id_' suffix (or equivalent for direct file access)
     """
-    if not "://web.archive.org" in url:
+    if "://web.archive.org" not in url:
         return url
     segments = url.split("/")
     if len(segments) < 6 or not segments[4].isdigit():
diff --git a/fatcat_scholar/identifiers.py b/fatcat_scholar/identifiers.py
index 9a64de8..d1a1197 100644
--- a/fatcat_scholar/identifiers.py
+++ b/fatcat_scholar/identifiers.py
@@ -24,7 +24,7 @@ def clean_doi(raw: Optional[str]) -> Optional[str]:
         return None
     if len(raw.split()) != 1:
         return None
-    if not "10." in raw:
+    if "10." not in raw:
         return None
     if not raw.startswith("10."):
         raw = raw[raw.find("10.") :]
@@ -51,23 +51,23 @@ def clean_doi(raw: Optional[str]) -> Optional[str]:
 
 
 def test_clean_doi() -> None:
-    assert clean_doi(None) == None
-    assert clean_doi("") == None
-    assert clean_doi("asdf") == None
-    assert clean_doi("10.123") == None
+    assert clean_doi(None) is None
+    assert clean_doi("") is None
+    assert clean_doi("asdf") is None
+    assert clean_doi("10.123") is None
     assert clean_doi("10.1234/asdf ") == "10.1234/asdf"
     assert clean_doi("10.1234/ASdf ") == "10.1234/asdf"
     assert clean_doi("10.1037//0002-9432.72.1.50") == "10.1037/0002-9432.72.1.50"
     assert clean_doi("10.1037/0002-9432.72.1.50") == "10.1037/0002-9432.72.1.50"
-    assert clean_doi("10.23750/abm.v88i2 -s.6506") == None
-    assert clean_doi("10.17167/mksz.2017.2.129–155") == None
+    assert clean_doi("10.23750/abm.v88i2 -s.6506") is None
+    assert clean_doi("10.17167/mksz.2017.2.129–155") is None
     assert clean_doi("http://doi.org/10.1234/asdf ") == "10.1234/asdf"
     assert clean_doi("https://dx.doi.org/10.1234/asdf ") == "10.1234/asdf"
     assert clean_doi("doi:10.1234/asdf ") == "10.1234/asdf"
-    assert clean_doi("doi:10.1234/ asdf ") == None
-    assert clean_doi("10.4149/gpb¬_2017042") == None  # "logical negation" character
+    assert clean_doi("doi:10.1234/ asdf ") is None
+    assert clean_doi("10.4149/gpb¬_2017042") is None  # "logical negation" character
     assert (
-        clean_doi("10.6002/ect.2020.häyry") == None
+        clean_doi("10.6002/ect.2020.häyry") is None
     )  # this example via pubmed (pmid:32519616)
     # GROBID mangled DOI
     assert clean_doi("21924DOI10.1234/asdf ") == "10.1234/asdf"
@@ -85,9 +85,9 @@ def clean_pmcid(raw: Optional[str]) -> Optional[str]:
 
 
 def test_clean_pmcid() -> None:
-    assert clean_pmcid("10.1234/asdf ") == None
-    assert clean_pmcid("") == None
-    assert clean_pmcid("1 2") == None
-    assert clean_pmcid(None) == None
+    assert clean_pmcid("10.1234/asdf ") is None
+    assert clean_pmcid("") is None
+    assert clean_pmcid("1 2") is None
+    assert clean_pmcid(None) is None
     assert clean_pmcid("PMC123") == "PMC123"
     assert clean_pmcid("pmc123") == "PMC123"
diff --git a/fatcat_scholar/issue_db.py b/fatcat_scholar/issue_db.py
index 3ca6b79..320c98d 100644
--- a/fatcat_scholar/issue_db.py
+++ b/fatcat_scholar/issue_db.py
@@ -255,7 +255,7 @@ class IssueDB:
             if not line:
                 continue
             obj = json.loads(line)
-            if not "metadata" in obj:
+            if "metadata" not in obj:
                 continue
             meta = obj["metadata"]
             assert "periodicals" in meta["collection"]
@@ -293,7 +293,7 @@ class IssueDB:
             if not line:
                 continue
             obj = json.loads(line)
-            if not "metadata" in obj:
+            if "metadata" not in obj:
                 continue
             meta = obj["metadata"]
             assert "periodicals" in meta["collection"]
diff --git a/fatcat_scholar/schema.py b/fatcat_scholar/schema.py
index 633d30b..569cc10 100644
--- a/fatcat_scholar/schema.py
+++ b/fatcat_scholar/schema.py
@@ -313,15 +313,15 @@ def clean_small_int(raw: Optional[str]) -> Optional[int]:
 
 
 def test_clean_small_int() -> None:
-    assert clean_small_int("") == None
-    assert clean_small_int(None) == None
-    assert clean_small_int("asdf") == None
-    assert clean_small_int("iiv") == None
+    assert clean_small_int("") is None
+    assert clean_small_int(None) is None
+    assert clean_small_int("asdf") is None
+    assert clean_small_int("iiv") is None
     assert clean_small_int("123") == 123
-    assert clean_small_int("1200003") == None
-    assert clean_small_int("-123") == None
-    assert clean_small_int("48844") == None
-    assert clean_small_int("1990²") == None
+    assert clean_small_int("1200003") is None
+    assert clean_small_int("-123") is None
+    assert clean_small_int("48844") is None
+    assert clean_small_int("1990²") is None
 
 
 def doi_split_prefix(doi: str) -> str:
@@ -356,8 +356,8 @@ def clean_url_conservative(url: Optional[str]) -> Optional[str]:
 
 
 def test_clean_url_conservative() -> None:
-    assert clean_url_conservative("") == None
-    assert clean_url_conservative(None) == None
+    assert clean_url_conservative("") is None
+    assert clean_url_conservative(None) is None
     assert (
         clean_url_conservative("<http://en.wikipedia.org/wiki/Rumpelstiltskin>")
         == "http://en.wikipedia.org/wiki/Rumpelstiltskin"
diff --git a/fatcat_scholar/search.py b/fatcat_scholar/search.py
index 5c7aba0..c49bd98 100644
--- a/fatcat_scholar/search.py
+++ b/fatcat_scholar/search.py
@@ -232,7 +232,7 @@ def process_query(query: FulltextQuery) -> FulltextHits:
         return do_fulltext_search(query)
 
     # try handling raw identifier queries
-    if len(query.q.strip().split()) == 1 and not '"' in query.q:
+    if len(query.q.strip().split()) == 1 and '"' not in query.q:
         doi = clean_doi(query.q)
         if doi:
             return do_lookup_query(f'doi:"{doi}"')
diff --git a/fatcat_scholar/sim_pipeline.py b/fatcat_scholar/sim_pipeline.py
index 9157852..25a46ae 100644
--- a/fatcat_scholar/sim_pipeline.py
+++ b/fatcat_scholar/sim_pipeline.py
@@ -66,7 +66,7 @@ class SimPipeline:
 
         leaf_index = dict()
         leaf_list = []
-        if not "page_numbers" in issue_meta:
+        if "page_numbers" not in issue_meta:
             # TODO: warn
             return None
         for entry in issue_meta["page_numbers"].get("pages", []):
diff --git a/fatcat_scholar/transform.py b/fatcat_scholar/transform.py
index 3213b8d..f805e7b 100644
--- a/fatcat_scholar/transform.py
+++ b/fatcat_scholar/transform.py
@@ -588,7 +588,7 @@ def transform_heavy(heavy: IntermediateBundle) -> Optional[ScholarDoc]:
             file_ident=fulltext.file_ident,
             release_ident=fulltext.release_ident,
         )
-    if ia_sim and not AccessType.ia_sim in access_dict:
+    if ia_sim and AccessType.ia_sim not in access_dict:
         access_dict[AccessType.ia_sim] = ScholarAccess(
             access_type=AccessType.ia_sim,
             access_url=f"https://archive.org/details/{ia_sim.issue_item}/page/{ia_sim.first_page}",
@@ -608,11 +608,11 @@ def transform_heavy(heavy: IntermediateBundle) -> Optional[ScholarDoc]:
         for _, acc in access_dict.items():
             if "://www.medrxiv.org/" in acc.access_url:
                 biblio.container_name = "medRxiv"
-                if biblio.release_stage == None:
+                if biblio.release_stage is None:
                     biblio.release_stage = "submitted"
             elif "://www.biorxiv.org/" in acc.access_url:
                 biblio.container_name = "bioRxiv"
-                if biblio.release_stage == None:
+                if biblio.release_stage is None:
                     biblio.release_stage = "submitted"
 
     return ScholarDoc(
diff --git a/fatcat_scholar/work_pipeline.py b/fatcat_scholar/work_pipeline.py
index 191e898..5c32767 100644
--- a/fatcat_scholar/work_pipeline.py
+++ b/fatcat_scholar/work_pipeline.py
@@ -28,7 +28,7 @@ def parse_pages(raw: str) -> Tuple[Optional[int], Optional[int]]:
     if not first_raw.isdigit():
         return (None, None)
     first = int(first_raw)
-    if not "-" in raw:
+    if "-" not in raw:
         return (first, first)
     last_raw = raw.split("-")[-1]
     if not last_raw.isdigit():
@@ -301,7 +301,7 @@ class WorkPipeline:
 
         leaf_index = dict()
         leaf_list = []
-        if not "page_numbers" in issue_meta:
+        if "page_numbers" not in issue_meta:
             # TODO: warn
             return None
         for entry in issue_meta["page_numbers"].get("pages", []):